--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/emulab/mail/sendmail.cf.template Thu Apr 21 14:57:45 2011 +0100
@@ -0,0 +1,1766 @@
+#
+# Copyright (c) 1998-2004 Sendmail, Inc. and its suppliers.
+# All rights reserved.
+# Copyright (c) 1983, 1995 Eric P. Allman. All rights reserved.
+# Copyright (c) 1988, 1993
+# The Regents of the University of California. All rights reserved.
+#
+# By using this file, you agree to the terms and conditions set
+# forth in the LICENSE file which can be found at the top level of
+# the sendmail distribution.
+#
+#
+
+######################################################################
+######################################################################
+#####
+##### SENDMAIL CONFIGURATION FILE
+#####
+##### built by root@node-0.mail.dtn.emulab.net on Mon Jun 9 15:06:19 MDT 2008
+##### in /etc/mail
+##### using /usr/share/sendmail-cf/ as configuration include directory
+#####
+######################################################################
+#####
+##### DO NOT EDIT THIS FILE! Only edit the source .mc file.
+#####
+######################################################################
+######################################################################
+
+##### $Id: cfhead.m4,v 8.116 2004/01/28 22:02:22 ca Exp $ #####
+##### $Id: cf.m4,v 8.32 1999/02/07 07:26:14 gshapiro Exp $ #####
+##### setup for linux #####
+##### $Id: linux.m4,v 8.13 2000/09/17 17:30:00 gshapiro Exp $ #####
+
+
+
+##### $Id: local_procmail.m4,v 8.22 2002/11/17 04:24:19 ca Exp $ #####
+
+
+
+##### $Id: no_default_msa.m4,v 8.2 2001/02/14 05:03:22 gshapiro Exp $ #####
+
+##### $Id: smrsh.m4,v 8.14 1999/11/18 05:06:23 ca Exp $ #####
+
+##### $Id: mailertable.m4,v 8.25 2002/06/27 23:23:57 gshapiro Exp $ #####
+
+##### $Id: virtusertable.m4,v 8.23 2002/06/27 23:23:57 gshapiro Exp $ #####
+
+##### $Id: use_cw_file.m4,v 8.11 2001/08/26 20:58:57 gshapiro Exp $ #####
+
+
+##### $Id: use_ct_file.m4,v 8.11 2001/08/26 20:58:57 gshapiro Exp $ #####
+
+
+##### $Id: nocanonify.m4,v 8.12 1999/08/28 00:42:01 ca Exp $ #####
+
+
+##### $Id: masquerade_envelope.m4,v 8.9 1999/02/07 07:26:10 gshapiro Exp $ #####
+
+
+##### $Id: promiscuous_relay.m4,v 8.12 2001/02/06 17:14:35 ca Exp $ #####
+
+
+
+
+
+
+
+
+##### $Id: local_procmail.m4,v 8.22 2002/11/17 04:24:19 ca Exp $ #####
+
+##### $Id: access_db.m4,v 8.27 2006/07/06 21:10:10 ca Exp $ #####
+
+##### $Id: blacklist_recipients.m4,v 8.13 1999/04/02 02:25:13 gshapiro Exp $ #####
+
+##### $Id: accept_unresolvable_domains.m4,v 8.10 1999/02/07 07:26:07 gshapiro Exp $ #####
+
+
+##### $Id: proto.m4,v 8.732 2007/04/20 00:53:30 ca Exp $ #####
+
+# level 10 config file format
+V10/Berkeley
+
+# override file safeties - setting this option compromises system security,
+# addressing the actual file configuration problem is preferred
+# need to set this before any file actions are encountered in the cf file
+#O DontBlameSendmail=safe
+
+# default LDAP map specification
+# need to set this now before any LDAP maps are defined
+#O LDAPDefaultSpec=-h localhost
+
+##################
+# local info #
+##################
+
+# my LDAP cluster
+# need to set this before any LDAP lookups are done (including classes)
+#D{sendmailMTACluster}$m
+
+Cwlocalhost
+# file containing names of hosts for which we receive email
+Fw/etc/mail/local-host-names
+
+# my official domain name
+# ... define this only if sendmail cannot automatically determine your domain
+#Dj$w.Foo.COM
+
+# host/domain names ending with a token in class P are canonical
+CP.
+
+# "Smart" relay host (may be null)
+DS__SMART_HOST__
+
+
+# operators that cannot be in local usernames (i.e., network indicators)
+CO @ % !
+
+# a class with just dot (for identifying canonical names)
+C..
+
+# a class with just a left bracket (for identifying domain literals)
+C[[
+
+# access_db acceptance class
+C{Accept}OK RELAY
+
+
+C{ResOk}OKR
+
+
+# Hosts for which relaying is permitted ($=R)
+FR-o /etc/mail/relay-domains
+
+# arithmetic map
+Karith arith
+# macro storage map
+Kmacro macro
+# possible values for TLS_connection in access map
+C{Tls}VERIFY ENCR
+
+
+
+
+
+# dequoting map
+Kdequote dequote
+
+# class E: names that should be exposed as from this host, even if we masquerade
+# class L: names that should be delivered locally, even if we have a relay
+# class M: domains that should be converted to $M
+# class N: domains that should not be converted to $M
+#CL root
+C{E}root
+C{w}localhost.localdomain
+
+
+
+# my name for error messages
+DnMAILER-DAEMON
+
+
+# Mailer table (overriding domains)
+Kmailertable hash -o /etc/mail/mailertable.db
+
+# Virtual user table (maps incoming users)
+Kvirtuser hash -o /etc/mail/virtusertable.db
+
+# Access list database (for spam stomping)
+Kaccess hash -T<TMPF> -o /etc/mail/access.db
+
+# Configuration version number
+DZ8.14.2
+
+
+###############
+# Options #
+###############
+
+# strip message body to 7 bits on input?
+O SevenBitInput=False
+
+# 8-bit data handling
+#O EightBitMode=pass8
+
+# wait for alias file rebuild (default units: minutes)
+O AliasWait=10
+
+# location of alias file
+O AliasFile=/etc/aliases
+
+# minimum number of free blocks on filesystem
+O MinFreeBlocks=100
+
+# maximum message size
+#O MaxMessageSize=0
+
+# substitution for space (blank) characters
+O BlankSub=.
+
+# avoid connecting to "expensive" mailers on initial submission?
+O HoldExpensive=False
+
+# checkpoint queue runs after every N successful deliveries
+#O CheckpointInterval=10
+
+# default delivery mode
+O DeliveryMode=background
+
+# error message header/file
+#O ErrorHeader=/etc/mail/error-header
+
+# error mode
+#O ErrorMode=print
+
+# save Unix-style "From_" lines at top of header?
+#O SaveFromLine=False
+
+# queue file mode (qf files)
+#O QueueFileMode=0600
+
+# temporary file mode
+O TempFileMode=0600
+
+# match recipients against GECOS field?
+#O MatchGECOS=False
+
+# maximum hop count
+#O MaxHopCount=25
+
+# location of help file
+O HelpFile=/etc/mail/helpfile
+
+# ignore dots as terminators in incoming messages?
+#O IgnoreDots=False
+
+# name resolver options
+#O ResolverOptions=+AAONLY
+
+# deliver MIME-encapsulated error messages?
+O SendMimeErrors=True
+
+# Forward file search path
+O ForwardPath=$z/.forward.$w:$z/.forward
+
+# open connection cache size
+O ConnectionCacheSize=2
+
+# open connection cache timeout
+O ConnectionCacheTimeout=5m
+
+# persistent host status directory
+O HostStatusDirectory=/var/run/sendmail_host_status
+
+# single thread deliveries (requires HostStatusDirectory)?
+O SingleThreadDelivery=true
+
+# use Errors-To: header?
+O UseErrorsTo=False
+
+# log level
+O LogLevel=9
+
+# send to me too, even in an alias expansion?
+#O MeToo=True
+
+# verify RHS in newaliases?
+O CheckAliases=False
+
+# default messages to old style headers if no special punctuation?
+O OldStyleHeaders=True
+
+# SMTP daemon options
+
+O DaemonPortOptions=Port=smtp, Name=MTA
+
+# SMTP client options
+#O ClientPortOptions=Family=inet, Address=0.0.0.0
+
+# Modifiers to define {daemon_flags} for direct submissions
+#O DirectSubmissionModifiers
+
+# Use as mail submission program? See sendmail/SECURITY
+#O UseMSP
+
+# privacy flags
+O PrivacyOptions=authwarnings,novrfy,noexpn,restrictqrun
+
+# who (if anyone) should get extra copies of error messages
+#O PostmasterCopy=Postmaster
+
+# slope of queue-only function
+#O QueueFactor=600000
+
+# limit on number of concurrent queue runners
+#O MaxQueueChildren
+
+# maximum number of queue-runners per queue-grouping with multiple queues
+#O MaxRunnersPerQueue=1
+
+# priority of queue runners (nice(3))
+#O NiceQueueRun
+
+# shall we sort the queue by hostname first?
+#O QueueSortOrder=priority
+
+# minimum time in queue before retry
+#O MinQueueAge=30m
+
+# how many jobs can you process in the queue?
+#O MaxQueueRunSize=0
+
+# perform initial split of envelope without checking MX records
+#O FastSplit=1
+
+# queue directory
+O QueueDirectory=/var/spool/mqueue
+
+# key for shared memory; 0 to turn off, -1 to auto-select
+#O SharedMemoryKey=0
+
+# file to store auto-selected key for shared memory (SharedMemoryKey = -1)
+#O SharedMemoryKeyFile
+
+# timeouts (many of these)
+#O Timeout.initial=5m
+O Timeout.connect=5s
+#O Timeout.aconnect=0s
+#O Timeout.iconnect=5m
+O Timeout.helo=5s
+O Timeout.mail=5s
+O Timeout.rcpt=5s
+O Timeout.datainit=5s
+O Timeout.datablock=5s
+O Timeout.datafinal=5s
+O Timeout.rset=5s
+O Timeout.quit=5s
+O Timeout.misc=5s
+O Timeout.command=5s
+O Timeout.ident=0
+#O Timeout.fileopen=60s
+#O Timeout.control=2m
+O Timeout.queuereturn=5d
+#O Timeout.queuereturn.normal=5d
+#O Timeout.queuereturn.urgent=2d
+#O Timeout.queuereturn.non-urgent=7d
+#O Timeout.queuereturn.dsn=5d
+O Timeout.queuewarn=4h
+#O Timeout.queuewarn.normal=4h
+#O Timeout.queuewarn.urgent=1h
+#O Timeout.queuewarn.non-urgent=12h
+#O Timeout.queuewarn.dsn=4h
+O Timeout.hoststatus=5s
+#O Timeout.resolver.retrans=5s
+#O Timeout.resolver.retrans.first=5s
+#O Timeout.resolver.retrans.normal=5s
+#O Timeout.resolver.retry=4
+#O Timeout.resolver.retry.first=4
+#O Timeout.resolver.retry.normal=4
+#O Timeout.lhlo=2m
+#O Timeout.auth=10m
+#O Timeout.starttls=1h
+
+# time for DeliverBy; extension disabled if less than 0
+#O DeliverByMin=0
+
+# should we not prune routes in route-addr syntax addresses?
+#O DontPruneRoutes=False
+
+# queue up everything before forking?
+O SuperSafe=True
+
+# status file
+O StatusFile=/var/log/mail/statistics
+
+# time zone handling:
+# if undefined, use system default
+# if defined but null, use TZ envariable passed in
+# if defined and non-null, use that info
+#O TimeZoneSpec=
+
+# default UID (can be username or userid:groupid)
+O DefaultUser=8:12
+
+# list of locations of user database file (null means no lookup)
+O UserDatabaseSpec=/etc/mail/userdb.db
+
+# fallback MX host
+#O FallbackMXhost=fall.back.host.net
+
+# fallback smart host
+#O FallbackSmartHost=fall.back.host.net
+
+# if we are the best MX host for a site, try it directly instead of config err
+O TryNullMXList=True
+
+# load average at which we just queue messages
+#O QueueLA=8
+
+# load average at which we refuse connections
+#O RefuseLA=12
+
+# log interval when refusing connections for this long
+#O RejectLogInterval=3h
+
+# load average at which we delay connections; 0 means no limit
+#O DelayLA=0
+
+# maximum number of children we allow at one time
+#O MaxDaemonChildren=0
+
+# maximum number of new connections per second
+#O ConnectionRateThrottle=0
+
+# Width of the window
+#O ConnectionRateWindowSize=60s
+
+# work recipient factor
+#O RecipientFactor=30000
+
+# deliver each queued job in a separate process?
+#O ForkEachJob=False
+
+# work class factor
+#O ClassFactor=1800
+
+# work time factor
+#O RetryFactor=90000
+
+# default character set
+#O DefaultCharSet=unknown-8bit
+
+# service switch file (name hardwired on Solaris, Ultrix, OSF/1, others)
+#O ServiceSwitchFile=/etc/mail/service.switch
+
+# hosts file (normally /etc/hosts)
+#O HostsFile=/etc/hosts
+
+# dialup line delay on connection failure
+#O DialDelay=0s
+
+# action to take if there are no recipients in the message
+#O NoRecipientAction=none
+
+# chrooted environment for writing to files
+#O SafeFileEnvironment
+
+# are colons OK in addresses?
+#O ColonOkInAddr=True
+
+# shall I avoid expanding CNAMEs (violates protocols)?
+#O DontExpandCnames=False
+
+# SMTP initial login message (old $e macro)
+O SmtpGreetingMessage=$j Sendmail $v/$Z; $b
+
+# UNIX initial From header format (old $l macro)
+O UnixFromLine=From $g $d
+
+# From: lines that have embedded newlines are unwrapped onto one line
+#O SingleLineFromHeader=False
+
+# Allow HELO SMTP command that does not include a host name
+#O AllowBogusHELO=False
+
+# Characters to be quoted in a full name phrase (@,;:\()[] are automatic)
+#O MustQuoteChars=.
+
+# delimiter (operator) characters (old $o macro)
+O OperatorChars=.:%@!^/[]+
+
+# shall I avoid calling initgroups(3) because of high NIS costs?
+#O DontInitGroups=False
+
+# are group-writable :include: and .forward files (un)trustworthy?
+# True (the default) means they are not trustworthy.
+#O UnsafeGroupWrites=True
+
+
+# where do errors that occur when sending errors get sent?
+#O DoubleBounceAddress=postmaster
+
+# issue temporary errors (4xy) instead of permanent errors (5xy)?
+#O SoftBounce=False
+
+# where to save bounces if all else fails
+#O DeadLetterDrop=/var/tmp/dead.letter
+
+# what user id do we assume for the majority of the processing?
+#O RunAsUser=sendmail
+
+# maximum number of recipients per SMTP envelope
+#O MaxRecipientsPerMessage=0
+
+# limit the rate recipients per SMTP envelope are accepted
+# once the threshold number of recipients have been rejected
+#O BadRcptThrottle=0
+
+# shall we get local names from our installed interfaces?
+O DontProbeInterfaces=True
+
+# Return-Receipt-To: header implies DSN request
+#O RrtImpliesDsn=False
+
+# override connection address (for testing)
+#O ConnectOnlyTo=0.0.0.0
+
+# Trusted user for file ownership and starting the daemon
+#O TrustedUser=root
+
+# Control socket for daemon management
+#O ControlSocketName=/var/spool/mqueue/.control
+
+# Maximum MIME header length to protect MUAs
+#O MaxMimeHeaderLength=0/0
+
+# Maximum length of the sum of all headers
+#O MaxHeadersLength=32768
+
+# Maximum depth of alias recursion
+#O MaxAliasRecursion=10
+
+# location of pid file
+#O PidFile=/var/run/sendmail.pid
+
+# Prefix string for the process title shown on 'ps' listings
+#O ProcessTitlePrefix=prefix
+
+# Data file (df) memory-buffer file maximum size
+#O DataFileBufferSize=4096
+
+# Transcript file (xf) memory-buffer file maximum size
+#O XscriptFileBufferSize=4096
+
+# lookup type to find information about local mailboxes
+#O MailboxDatabase=pw
+
+# override compile time flag REQUIRES_DIR_FSYNC
+#O RequiresDirfsync=true
+
+# list of authentication mechanisms
+#O AuthMechanisms=EXTERNAL GSSAPI KERBEROS_V4 DIGEST-MD5 CRAM-MD5
+
+# Authentication realm
+#O AuthRealm
+
+# default authentication information for outgoing connections
+#O DefaultAuthInfo=/etc/mail/default-auth-info
+
+# SMTP AUTH flags
+O AuthOptions=A
+
+# SMTP AUTH maximum encryption strength
+#O AuthMaxBits
+
+# SMTP STARTTLS server options
+#O TLSSrvOptions
+
+# Input mail filters
+#O InputMailFilters
+
+
+# CA directory
+#O CACertPath
+# CA file
+#O CACertFile
+# Server Cert
+#O ServerCertFile
+# Server private key
+#O ServerKeyFile
+# Client Cert
+#O ClientCertFile
+# Client private key
+#O ClientKeyFile
+# File containing certificate revocation lists
+#O CRLFile
+# DHParameters (only required if DSA/DH is used)
+#O DHParameters
+# Random data source (required for systems without /dev/urandom under OpenSSL)
+#O RandFile
+
+# Maximum number of "useless" commands before slowing down
+#O MaxNOOPCommands=20
+
+# Name to use for EHLO (defaults to $j)
+#O HeloName
+
+############################
+# QUEUE GROUP DEFINITIONS #
+############################
+
+
+###########################
+# Message precedences #
+###########################
+
+Pfirst-class=0
+Pspecial-delivery=100
+Plist=-30
+Pbulk=-60
+Pjunk=-100
+
+#####################
+# Trusted users #
+#####################
+
+# this is equivalent to setting class "t"
+Ft/etc/mail/trusted-users
+Troot
+Tdaemon
+Tuucp
+
+#########################
+# Format of headers #
+#########################
+
+H?P?Return-Path: <$g>
+HReceived: $?sfrom $s $.$?_($?s$|from $.$_)
+ $.$?{auth_type}(authenticated$?{auth_ssf} bits=${auth_ssf}$.)
+ $.by $j ($v/$Z)$?r with $r$. id $i$?{tls_version}
+ (version=${tls_version} cipher=${cipher} bits=${cipher_bits} verify=${verify})$.$?u
+ for $u; $|;
+ $.$b
+H?D?Resent-Date: $a
+H?D?Date: $a
+H?F?Resent-From: $?x$x <$g>$|$g$.
+H?F?From: $?x$x <$g>$|$g$.
+H?x?Full-Name: $x
+# HPosted-Date: $a
+# H?l?Received-Date: $b
+H?M?Resent-Message-Id: <$t.$i@$j>
+H?M?Message-Id: <$t.$i@$j>
+
+#
+######################################################################
+######################################################################
+#####
+##### REWRITING RULES
+#####
+######################################################################
+######################################################################
+
+############################################
+### Ruleset 3 -- Name Canonicalization ###
+############################################
+Scanonify=3
+
+# handle null input (translate to <@> special case)
+R$@ $@ <@>
+
+# strip group: syntax (not inside angle brackets!) and trailing semicolon
+R$* $: $1 <@> mark addresses
+R$* < $* > $* <@> $: $1 < $2 > $3 unmark <addr>
+R@ $* <@> $: @ $1 unmark @host:...
+R$* [ IPv6 : $+ ] <@> $: $1 [ IPv6 : $2 ] unmark IPv6 addr
+R$* :: $* <@> $: $1 :: $2 unmark node::addr
+R:include: $* <@> $: :include: $1 unmark :include:...
+R$* : $* [ $* ] $: $1 : $2 [ $3 ] <@> remark if leading colon
+R$* : $* <@> $: $2 strip colon if marked
+R$* <@> $: $1 unmark
+R$* ; $1 strip trailing semi
+R$* < $+ :; > $* $@ $2 :; <@> catch <list:;>
+R$* < $* ; > $1 < $2 > bogus bracketed semi
+
+# null input now results from list:; syntax
+R$@ $@ :; <@>
+
+# strip angle brackets -- note RFC733 heuristic to get innermost item
+R$* $: < $1 > housekeeping <>
+R$+ < $* > < $2 > strip excess on left
+R< $* > $+ < $1 > strip excess on right
+R<> $@ < @ > MAIL FROM:<> case
+R< $+ > $: $1 remove housekeeping <>
+
+# strip route address <@a,@b,@c:user@d> -> <user@d>
+R@ $+ , $+ $2
+R@ [ $* ] : $+ $2
+R@ $+ : $+ $2
+
+# find focus for list syntax
+R $+ : $* ; @ $+ $@ $>Canonify2 $1 : $2 ; < @ $3 > list syntax
+R $+ : $* ; $@ $1 : $2; list syntax
+
+# find focus for @ syntax addresses
+R$+ @ $+ $: $1 < @ $2 > focus on domain
+R$+ < $+ @ $+ > $1 $2 < @ $3 > move gaze right
+R$+ < @ $+ > $@ $>Canonify2 $1 < @ $2 > already canonical
+
+
+# convert old-style addresses to a domain-based address
+R$- ! $+ $@ $>Canonify2 $2 < @ $1 .UUCP > resolve uucp names
+R$+ . $- ! $+ $@ $>Canonify2 $3 < @ $1 . $2 > domain uucps
+R$+ ! $+ $@ $>Canonify2 $2 < @ $1 .UUCP > uucp subdomains
+
+# if we have % signs, take the rightmost one
+R$* % $* $1 @ $2 First make them all @s.
+R$* @ $* @ $* $1 % $2 @ $3 Undo all but the last.
+R$* @ $* $@ $>Canonify2 $1 < @ $2 > Insert < > and finish
+
+# else we must be a local name
+R$* $@ $>Canonify2 $1
+
+
+################################################
+### Ruleset 96 -- bottom half of ruleset 3 ###
+################################################
+
+SCanonify2=96
+
+# handle special cases for local names
+R$* < @ localhost > $* $: $1 < @ $j . > $2 no domain at all
+R$* < @ localhost . $m > $* $: $1 < @ $j . > $2 local domain
+R$* < @ localhost . UUCP > $* $: $1 < @ $j . > $2 .UUCP domain
+
+# check for IPv4/IPv6 domain literal
+R$* < @ [ $+ ] > $* $: $1 < @@ [ $2 ] > $3 mark [addr]
+R$* < @@ $=w > $* $: $1 < @ $j . > $3 self-literal
+R$* < @@ $+ > $* $@ $1 < @ $2 > $3 canon IP addr
+
+
+
+
+
+# if really UUCP, handle it immediately
+
+
+# hostnames ending in class P are always canonical
+R$* < @ $* $=P > $* $: $1 < @ $2 $3 . > $4
+R$* < @ $* $~P > $* $: $&{daemon_flags} $| $1 < @ $2 $3 > $4
+# pass to name server to make hostname canonical if in class {Canonify}
+R$* $| $* < @ $* $={Canonify} > $* $: $2 < @ $[ $3 $4 $] > $5
+# pass to name server to make hostname canonical if requested
+R$* c $* $| $* < @ $* > $* $: $3 < @ $[ $4 $] > $5
+R$* $| $* < @ $+ . > $* $: $2 < @ $3 . > $4
+# add a trailing dot to qualified hostnames so other rules will work
+R$* $| $* < @ $+.$+ > $* $: $2 < @ $3.$4 . > $5
+R$* $| $* $: $2
+
+# local host aliases and pseudo-domains are always canonical
+R$* < @ $=w > $* $: $1 < @ $2 . > $3
+R$* < @ $=M > $* $: $1 < @ $2 . > $3
+R$* < @ $={VirtHost} > $* $: $1 < @ $2 . > $3
+R$* < @ $* . . > $* $1 < @ $2 . > $3
+
+
+##################################################
+### Ruleset 4 -- Final Output Post-rewriting ###
+##################################################
+Sfinal=4
+
+R$+ :; <@> $@ $1 : handle <list:;>
+R$* <@> $@ handle <> and list:;
+
+# strip trailing dot off possibly canonical name
+R$* < @ $+ . > $* $1 < @ $2 > $3
+
+# eliminate internal code
+R$* < @ *LOCAL* > $* $1 < @ $j > $2
+
+# externalize local domain info
+R$* < $+ > $* $1 $2 $3 defocus
+R@ $+ : @ $+ : $+ @ $1 , @ $2 : $3 <route-addr> canonical
+R@ $* $@ @ $1 ... and exit
+
+# UUCP must always be presented in old form
+R$+ @ $- . UUCP $2!$1 u@h.UUCP => h!u
+
+# delete duplicate local names
+R$+ % $=w @ $=w $1 @ $2 u%host@host => u@host
+
+
+
+##############################################################
+### Ruleset 97 -- recanonicalize and call ruleset zero ###
+### (used for recursive calls) ###
+##############################################################
+
+SRecurse=97
+R$* $: $>canonify $1
+R$* $@ $>parse $1
+
+
+######################################
+### Ruleset 0 -- Parse Address ###
+######################################
+
+Sparse=0
+
+R$* $: $>Parse0 $1 initial parsing
+R<@> $#local $: <@> special case error msgs
+R$* $: $>ParseLocal $1 handle local hacks
+R$* $: $>Parse1 $1 final parsing
+
+#
+# Parse0 -- do initial syntax checking and eliminate local addresses.
+# This should either return with the (possibly modified) input
+# or return with a #error mailer. It should not return with a
+# #mailer other than the #error mailer.
+#
+
+SParse0
+R<@> $@ <@> special case error msgs
+R$* : $* ; <@> $#error $@ 5.1.3 $: "553 List:; syntax illegal for recipient addresses"
+R@ <@ $* > < @ $1 > catch "@@host" bogosity
+R<@ $+> $#error $@ 5.1.3 $: "553 User address required"
+R$+ <@> $#error $@ 5.1.3 $: "553 Hostname required"
+R$* $: <> $1
+R<> $* < @ [ $* ] : $+ > $* $1 < @ [ $2 ] : $3 > $4
+R<> $* < @ [ $* ] , $+ > $* $1 < @ [ $2 ] , $3 > $4
+R<> $* < @ [ $* ] $+ > $* $#error $@ 5.1.2 $: "553 Invalid address"
+R<> $* < @ [ $+ ] > $* $1 < @ [ $2 ] > $3
+R<> $* <$* : $* > $* $#error $@ 5.1.3 $: "553 Colon illegal in host name part"
+R<> $* $1
+R$* < @ . $* > $* $#error $@ 5.1.2 $: "553 Invalid host name"
+R$* < @ $* .. $* > $* $#error $@ 5.1.2 $: "553 Invalid host name"
+R$* < @ $* @ > $* $#error $@ 5.1.2 $: "553 Invalid route address"
+R$* @ $* < @ $* > $* $#error $@ 5.1.3 $: "553 Invalid route address"
+R$* , $~O $* $#error $@ 5.1.3 $: "553 Invalid route address"
+
+
+# now delete the local info -- note $=O to find characters that cause forwarding
+R$* < @ > $* $@ $>Parse0 $>canonify $1 user@ => user
+R< @ $=w . > : $* $@ $>Parse0 $>canonify $2 @here:... -> ...
+R$- < @ $=w . > $: $(dequote $1 $) < @ $2 . > dequote "foo"@here
+R< @ $+ > $#error $@ 5.1.3 $: "553 User address required"
+R$* $=O $* < @ $=w . > $@ $>Parse0 $>canonify $1 $2 $3 ...@here -> ...
+R$- $: $(dequote $1 $) < @ *LOCAL* > dequote "foo"
+R< @ *LOCAL* > $#error $@ 5.1.3 $: "553 User address required"
+R$* $=O $* < @ *LOCAL* >
+ $@ $>Parse0 $>canonify $1 $2 $3 ...@*LOCAL* -> ...
+R$* < @ *LOCAL* > $: $1
+
+#
+# Parse1 -- the bottom half of ruleset 0.
+#
+
+SParse1
+
+# handle numeric address spec
+R$* < @ [ $+ ] > $* $: $>ParseLocal $1 < @ [ $2 ] > $3 numeric internet spec
+R$* < @ [ $+ ] > $* $: $1 < @ [ $2 ] : $S > $3 Add smart host to path
+R$* < @ [ $+ ] : > $* $#esmtp $@ [$2] $: $1 < @ [$2] > $3 no smarthost: send
+R$* < @ [ $+ ] : $- : $*> $* $#$3 $@ $4 $: $1 < @ [$2] > $5 smarthost with mailer
+R$* < @ [ $+ ] : $+ > $* $#esmtp $@ $3 $: $1 < @ [$2] > $4 smarthost without mailer
+
+# handle virtual users
+R$+ $: <!> $1 Mark for lookup
+R<!> $+ < @ $={VirtHost} . > $: < $(virtuser $1 @ $2 $@ $1 $: @ $) > $1 < @ $2 . >
+R<!> $+ < @ $=w . > $: < $(virtuser $1 @ $2 $@ $1 $: @ $) > $1 < @ $2 . >
+R<@> $+ + $+ < @ $* . >
+ $: < $(virtuser $1 + + @ $3 $@ $1 $@ $2 $@ +$2 $: @ $) > $1 + $2 < @ $3 . >
+R<@> $+ + $* < @ $* . >
+ $: < $(virtuser $1 + * @ $3 $@ $1 $@ $2 $@ +$2 $: @ $) > $1 + $2 < @ $3 . >
+R<@> $+ + $* < @ $* . >
+ $: < $(virtuser $1 @ $3 $@ $1 $@ $2 $@ +$2 $: @ $) > $1 + $2 < @ $3 . >
+R<@> $+ + $+ < @ $+ . > $: < $(virtuser + + @ $3 $@ $1 $@ $2 $@ +$2 $: @ $) > $1 + $2 < @ $3 . >
+R<@> $+ + $* < @ $+ . > $: < $(virtuser + * @ $3 $@ $1 $@ $2 $@ +$2 $: @ $) > $1 + $2 < @ $3 . >
+R<@> $+ + $* < @ $+ . > $: < $(virtuser @ $3 $@ $1 $@ $2 $@ +$2 $: ! $) > $1 + $2 < @ $3 . >
+R<@> $+ < @ $+ . > $: < $(virtuser @ $2 $@ $1 $: @ $) > $1 < @ $2 . >
+R<@> $+ $: $1
+R<!> $+ $: $1
+R< error : $-.$-.$- : $+ > $* $#error $@ $1.$2.$3 $: $4
+R< error : $- $+ > $* $#error $@ $(dequote $1 $) $: $2
+R< $+ > $+ < @ $+ > $: $>Recurse $1
+
+# short circuit local delivery so forwarded email works
+
+
+R$=L < @ $=w . > $#local $: @ $1 special local names
+R$+ < @ $=w . > $#local $: $1 regular local name
+
+# not local -- try mailer table lookup
+R$* <@ $+ > $* $: < $2 > $1 < @ $2 > $3 extract host name
+R< $+ . > $* $: < $1 > $2 strip trailing dot
+R< $+ > $* $: < $(mailertable $1 $) > $2 lookup
+R< $~[ : $* > $* $>MailerToTriple < $1 : $2 > $3 check -- resolved?
+R< $+ > $* $: $>Mailertable <$1> $2 try domain
+
+# resolve remotely connected UUCP links (if any)
+
+# resolve fake top level domains by forwarding to other hosts
+
+
+
+# pass names that still have a host to a smarthost (if defined)
+R$* < @ $* > $* $: $>MailerToTriple < $S > $1 < @ $2 > $3 glue on smarthost name
+
+# deal with other remote names
+R$* < @$* > $* $#esmtp $@ $2 $: $1 < @ $2 > $3 user@host.domain
+
+# handle locally delivered names
+R$=L $#local $: @ $1 special local names
+R$+ $#local $: $1 regular local names
+
+###########################################################################
+### Ruleset 5 -- special rewriting after aliases have been expanded ###
+###########################################################################
+
+SLocal_localaddr
+Slocaladdr=5
+R$+ $: $1 $| $>"Local_localaddr" $1
+R$+ $| $#ok $@ $1 no change
+R$+ $| $#$* $#$2
+R$+ $| $* $: $1
+
+
+
+
+# deal with plussed users so aliases work nicely
+R$+ + * $#local $@ $&h $: $1
+R$+ + $* $#local $@ + $2 $: $1 + *
+
+# prepend an empty "forward host" on the front
+R$+ $: <> $1
+
+
+
+R< > $+ $: < > < $1 <> $&h > nope, restore +detail
+
+R< > < $+ <> + $* > $: < > < $1 + $2 > check whether +detail
+R< > < $+ <> $* > $: < > < $1 > else discard
+R< > < $+ + $* > $* < > < $1 > + $2 $3 find the user part
+R< > < $+ > + $* $#local $@ $2 $: @ $1 strip the extra +
+R< > < $+ > $@ $1 no +detail
+R$+ $: $1 <> $&h add +detail back in
+
+R$+ <> + $* $: $1 + $2 check whether +detail
+R$+ <> $* $: $1 else discard
+R< local : $* > $* $: $>MailerToTriple < local : $1 > $2 no host extension
+R< error : $* > $* $: $>MailerToTriple < error : $1 > $2 no host extension
+
+R< $~[ : $+ > $+ $: $>MailerToTriple < $1 : $2 > $3 < @ $2 >
+
+R< $+ > $+ $@ $>MailerToTriple < $1 > $2 < @ $1 >
+
+
+###################################################################
+### Ruleset 90 -- try domain part of mailertable entry ###
+###################################################################
+
+SMailertable=90
+R$* <$- . $+ > $* $: $1$2 < $(mailertable .$3 $@ $1$2 $@ $2 $) > $4
+R$* <$~[ : $* > $* $>MailerToTriple < $2 : $3 > $4 check -- resolved?
+R$* < . $+ > $* $@ $>Mailertable $1 . <$2> $3 no -- strip & try again
+R$* < $* > $* $: < $(mailertable . $@ $1$2 $) > $3 try "."
+R< $~[ : $* > $* $>MailerToTriple < $1 : $2 > $3 "." found?
+R< $* > $* $@ $2 no mailertable match
+
+###################################################################
+### Ruleset 95 -- canonify mailer:[user@]host syntax to triple ###
+###################################################################
+
+SMailerToTriple=95
+R< > $* $@ $1 strip off null relay
+R< error : $-.$-.$- : $+ > $* $#error $@ $1.$2.$3 $: $4
+R< error : $- : $+ > $* $#error $@ $(dequote $1 $) $: $2
+R< error : $+ > $* $#error $: $1
+R< local : $* > $* $>CanonLocal < $1 > $2
+R< $~[ : $+ @ $+ > $*<$*>$* $# $1 $@ $3 $: $2<@$3> use literal user
+R< $~[ : $+ > $* $# $1 $@ $2 $: $3 try qualified mailer
+R< $=w > $* $@ $2 delete local host
+R< $+ > $* $#relay $@ $1 $: $2 use unqualified mailer
+
+###################################################################
+### Ruleset CanonLocal -- canonify local: syntax ###
+###################################################################
+
+SCanonLocal
+# strip local host from routed addresses
+R< $* > < @ $+ > : $+ $@ $>Recurse $3
+R< $* > $+ $=O $+ < @ $+ > $@ $>Recurse $2 $3 $4
+
+# strip trailing dot from any host name that may appear
+R< $* > $* < @ $* . > $: < $1 > $2 < @ $3 >
+
+# handle local: syntax -- use old user, either with or without host
+R< > $* < @ $* > $* $#local $@ $1@$2 $: $1
+R< > $+ $#local $@ $1 $: $1
+
+# handle local:user@host syntax -- ignore host part
+R< $+ @ $+ > $* < @ $* > $: < $1 > $3 < @ $4 >
+
+# handle local:user syntax
+R< $+ > $* <@ $* > $* $#local $@ $2@$3 $: $1
+R< $+ > $* $#local $@ $2 $: $1
+
+###################################################################
+### Ruleset 93 -- convert header names to masqueraded form ###
+###################################################################
+
+SMasqHdr=93
+
+
+# do not masquerade anything in class N
+R$* < @ $* $=N . > $@ $1 < @ $2 $3 . >
+
+R$* < @ *LOCAL* > $@ $1 < @ $j . >
+
+###################################################################
+### Ruleset 94 -- convert envelope names to masqueraded form ###
+###################################################################
+
+SMasqEnv=94
+R$+ $@ $>MasqHdr $1
+
+###################################################################
+### Ruleset 98 -- local part of ruleset zero (can be null) ###
+###################################################################
+
+SParseLocal=98
+
+
+
+######################################################################
+### D: LookUpDomain -- search for domain in access database
+###
+### Parameters:
+### <$1> -- key (domain name)
+### <$2> -- default (what to return if not found in db)
+### <$3> -- mark (must be <(!|+) single-token>)
+### ! does lookup only with tag
+### + does lookup with and without tag
+### <$4> -- passthru (additional data passed unchanged through)
+######################################################################
+
+SD
+R<$*> <$+> <$- $-> <$*> $: < $(access $4:$1 $: ? $) > <$1> <$2> <$3 $4> <$5>
+R<?> <$+> <$+> <+ $-> <$*> $: < $(access $1 $: ? $) > <$1> <$2> <+ $3> <$4>
+R<?> <[$+.$-]> <$+> <$- $-> <$*> $@ $>D <[$1]> <$3> <$4 $5> <$6>
+R<?> <[$+::$-]> <$+> <$- $-> <$*> $: $>D <[$1]> <$3> <$4 $5> <$6>
+R<?> <[$+:$-]> <$+> <$- $-> <$*> $: $>D <[$1]> <$3> <$4 $5> <$6>
+R<?> <$+.$+> <$+> <$- $-> <$*> $@ $>D <$2> <$3> <$4 $5> <$6>
+R<?> <$+> <$+> <$- $-> <$*> $@ <$2> <$5>
+R<$* <TMPF>> <$+> <$+> <$- $-> <$*> $@ <<TMPF>> <$6>
+R<$*> <$+> <$+> <$- $-> <$*> $@ <$1> <$6>
+
+######################################################################
+### A: LookUpAddress -- search for host address in access database
+###
+### Parameters:
+### <$1> -- key (dot quadded host address)
+### <$2> -- default (what to return if not found in db)
+### <$3> -- mark (must be <(!|+) single-token>)
+### ! does lookup only with tag
+### + does lookup with and without tag
+### <$4> -- passthru (additional data passed through)
+######################################################################
+
+SA
+R<$+> <$+> <$- $-> <$*> $: < $(access $4:$1 $: ? $) > <$1> <$2> <$3 $4> <$5>
+R<?> <$+> <$+> <+ $-> <$*> $: < $(access $1 $: ? $) > <$1> <$2> <+ $3> <$4>
+R<?> <$+::$-> <$+> <$- $-> <$*> $@ $>A <$1> <$3> <$4 $5> <$6>
+R<?> <$+:$-> <$+> <$- $-> <$*> $@ $>A <$1> <$3> <$4 $5> <$6>
+R<?> <$+.$-> <$+> <$- $-> <$*> $@ $>A <$1> <$3> <$4 $5> <$6>
+R<?> <$+> <$+> <$- $-> <$*> $@ <$2> <$5>
+R<$* <TMPF>> <$+> <$+> <$- $-> <$*> $@ <<TMPF>> <$6>
+R<$*> <$+> <$+> <$- $-> <$*> $@ <$1> <$6>
+
+######################################################################
+### CanonAddr -- Convert an address into a standard form for
+### relay checking. Route address syntax is
+### crudely converted into a %-hack address.
+###
+### Parameters:
+### $1 -- full recipient address
+###
+### Returns:
+### parsed address, not in source route form
+######################################################################
+
+SCanonAddr
+R$* $: $>Parse0 $>canonify $1 make domain canonical
+
+
+######################################################################
+### ParseRecipient -- Strip off hosts in $=R as well as possibly
+### $* $=m or the access database.
+### Check user portion for host separators.
+###
+### Parameters:
+### $1 -- full recipient address
+###
+### Returns:
+### parsed, non-local-relaying address
+######################################################################
+
+SParseRecipient
+R$* $: <?> $>CanonAddr $1
+R<?> $* < @ $* . > <?> $1 < @ $2 > strip trailing dots
+R<?> $- < @ $* > $: <?> $(dequote $1 $) < @ $2 > dequote local part
+
+# if no $=O character, no host in the user portion, we are done
+R<?> $* $=O $* < @ $* > $: <NO> $1 $2 $3 < @ $4>
+R<?> $* $@ $1
+
+
+R<NO> $* < @ $* $=R > $: <RELAY> $1 < @ $2 $3 >
+R<NO> $* < @ $+ > $: $>D <$2> <NO> <+ To> <$1 < @ $2 >>
+R<$+> <$+> $: <$1> $2
+
+
+
+R<RELAY> $* < @ $* > $@ $>ParseRecipient $1
+R<$+> $* $@ $2
+
+
+######################################################################
+### check_relay -- check hostname/address on SMTP startup
+######################################################################
+
+
+
+SLocal_check_relay
+Scheck_relay
+R$* $: $1 $| $>"Local_check_relay" $1
+R$* $| $* $| $#$* $#$3
+R$* $| $* $| $* $@ $>"Basic_check_relay" $1 $| $2
+
+SBasic_check_relay
+# check for deferred delivery mode
+R$* $: < $&{deliveryMode} > $1
+R< d > $* $@ deferred
+R< $* > $* $: $2
+
+R$+ $| $+ $: $>D < $1 > <?> <+ Connect> < $2 >
+R $| $+ $: $>A < $1 > <?> <+ Connect> <> empty client_name
+R<?> <$+> $: $>A < $1 > <?> <+ Connect> <> no: another lookup
+R<?> <$*> $: OK found nothing
+R<$={Accept}> <$*> $@ $1 return value of lookup
+R<REJECT> <$*> $#error $@ 5.7.1 $: "550 Access denied"
+R<DISCARD> <$*> $#discard $: discard
+R<QUARANTINE:$+> <$*> $#error $@ quarantine $: $1
+R<ERROR:$-.$-.$-:$+> <$*> $#error $@ $1.$2.$3 $: $4
+R<ERROR:$+> <$*> $#error $: $1
+R<$* <TMPF>> <$*> $#error $@ 4.3.0 $: "451 Temporary system failure. Please try again later."
+R<$+> <$*> $#error $: $1
+
+
+
+######################################################################
+### check_mail -- check SMTP `MAIL FROM:' command argument
+######################################################################
+
+SLocal_check_mail
+Scheck_mail
+R$* $: $1 $| $>"Local_check_mail" $1
+R$* $| $#$* $#$2
+R$* $| $* $@ $>"Basic_check_mail" $1
+
+SBasic_check_mail
+# check for deferred delivery mode
+R$* $: < $&{deliveryMode} > $1
+R< d > $* $@ deferred
+R< $* > $* $: $2
+
+# authenticated?
+R$* $: $1 $| $>"tls_client" $&{verify} $| MAIL
+R$* $| $#$+ $#$2
+R$* $| $* $: $1
+
+R<> $@ <OK> we MUST accept <> (RFC 1123)
+R$+ $: <?> $1
+R<?><$+> $: <@> <$1>
+R<?>$+ $: <@> <$1>
+R$* $: $&{daemon_flags} $| $1
+R$* f $* $| <@> < $* @ $- > $: < ? $&{client_name} > < $3 @ $4 >
+R$* u $* $| <@> < $* > $: <?> < $3 >
+R$* $| $* $: $2
+# handle case of @localhost on address
+R<@> < $* @ localhost > $: < ? $&{client_name} > < $1 @ localhost >
+R<@> < $* @ [127.0.0.1] >
+ $: < ? $&{client_name} > < $1 @ [127.0.0.1] >
+R<@> < $* @ localhost.$m >
+ $: < ? $&{client_name} > < $1 @ localhost.$m >
+R<@> < $* @ localhost.localdomain >
+ $: < ? $&{client_name} > < $1 @ localhost.localdomain >
+R<@> < $* @ localhost.UUCP >
+ $: < ? $&{client_name} > < $1 @ localhost.UUCP >
+R<@> $* $: $1 no localhost as domain
+R<? $=w> $* $: $2 local client: ok
+R<? $+> <$+> $#error $@ 5.5.4 $: "553 Real domain name required for sender address"
+R<?> $* $: $1
+R$* $: <?> $>CanonAddr $1 canonify sender address and mark it
+R<?> $* < @ $+ . > <?> $1 < @ $2 > strip trailing dots
+# handle non-DNS hostnames (*.bitnet, *.decnet, *.uucp, etc)
+R<?> $* < @ $* $=P > $: <OKR> $1 < @ $2 $3 >
+R<?> $* < @ $j > $: <OKR> $1 < @ $j >
+R<?> $* < @ $+ > $: <OKR> $1 < @ $2 > ... unresolvable OK
+
+# check sender address: user@address, user@, address
+R<$+> $+ < @ $* > $: @<$1> <$2 < @ $3 >> $| <F:$2@$3> <U:$2@> <D:$3>
+R<$+> $+ $: @<$1> <$2> $| <U:$2@>
+R@ <$+> <$*> $| <$+> $: <@> <$1> <$2> $| $>SearchList <+ From> $| <$3> <>
+R<@> <$+> <$*> $| <$*> $: <$3> <$1> <$2> reverse result
+# retransform for further use
+R<?> <$+> <$*> $: <$1> $2 no match
+R<$+> <$+> <$*> $: <$1> $3 relevant result, keep it
+
+# handle case of no @domain on address
+R<?> $* $: $&{daemon_flags} $| <?> $1
+R$* u $* $| <?> $* $: <OKR> $3
+R$* $| $* $: $2
+R<?> $* $: < ? $&{client_addr} > $1
+R<?> $* $@ <OKR> ...local unqualed ok
+R<? $+> $* $#error $@ 5.5.4 $: "553 Domain name required for sender address " $&f
+ ...remote is not
+# check results
+R<?> $* $: @ $1 mark address: nothing known about it
+R<$={ResOk}> $* $: @ $2 domain ok
+R<TEMP> $* $#error $@ 4.1.8 $: "451 Domain of sender address " $&f " does not resolve"
+R<PERM> $* $#error $@ 5.1.8 $: "553 Domain of sender address " $&f " does not exist"
+R<$={Accept}> $* $# $1 accept from access map
+R<DISCARD> $* $#discard $: discard
+R<QUARANTINE:$+> $* $#error $@ quarantine $: $1
+R<REJECT> $* $#error $@ 5.7.1 $: "550 Access denied"
+R<ERROR:$-.$-.$-:$+> $* $#error $@ $1.$2.$3 $: $4
+R<ERROR:$+> $* $#error $: $1
+R<<TMPF>> $* $#error $@ 4.3.0 $: "451 Temporary system failure. Please try again later."
+R<$+> $* $#error $: $1 error from access db
+
+
+
+######################################################################
+### check_rcpt -- check SMTP `RCPT TO:' command argument
+######################################################################
+
+SLocal_check_rcpt
+Scheck_rcpt
+R$* $: $1 $| $>"Local_check_rcpt" $1
+R$* $| $#$* $#$2
+R$* $| $* $@ $>"Basic_check_rcpt" $1
+
+SBasic_check_rcpt
+# empty address?
+R<> $#error $@ nouser $: "553 User address required"
+R$@ $#error $@ nouser $: "553 User address required"
+# check for deferred delivery mode
+R$* $: < $&{deliveryMode} > $1
+R< d > $* $@ deferred
+R< $* > $* $: $2
+
+
+######################################################################
+R$* $: $1 $| @ $>"Rcpt_ok" $1
+R$* $| @ $#TEMP $+ $: $1 $| T $2
+R$* $| @ $#$* $#$2
+
+
+######################################################################
+### Rcpt_ok: is the recipient ok?
+######################################################################
+SRcpt_ok
+R$* $: $>ParseRecipient $1 strip relayable hosts
+
+
+
+# blacklist local users or any host from receiving mail
+R$* $: <?> $1
+R<?> $+ < @ $=w > $: <> <$1 < @ $2 >> $| <F:$1@$2> <U:$1@> <D:$2>
+R<?> $+ < @ $* > $: <> <$1 < @ $2 >> $| <F:$1@$2> <D:$2>
+R<?> $+ $: <> <$1> $| <U:$1@>
+R<> <$*> $| <$+> $: <@> <$1> $| $>SearchList <+ To> $| <$2> <>
+R<@> <$*> $| <$*> $: <$2> <$1> reverse result
+R<?> <$*> $: @ $1 mark address as no match
+R<$={Accept}> <$*> $: @ $2 mark address as no match
+
+R<REJECT> $* $#error $@ 5.2.1 $: "550 Mailbox disabled for this recipient"
+R<DISCARD> $* $#discard $: discard
+R<QUARANTINE:$+> $* $#error $@ quarantine $: $1
+R<ERROR:$-.$-.$-:$+> $* $#error $@ $1.$2.$3 $: $4
+R<ERROR:$+> $* $#error $: $1
+R<<TMPF>> $* $#error $@ 4.3.0 $: "451 Temporary system failure. Please try again later."
+R<$+> $* $#error $: $1 error from access db
+R@ $* $1 remove mark
+
+
+
+
+######################################################################
+### F: LookUpFull -- search for an entry in access database
+###
+### lookup of full key (which should be an address) and
+### variations if +detail exists: +* and without +detail
+###
+### Parameters:
+### <$1> -- key
+### <$2> -- default (what to return if not found in db)
+### <$3> -- mark (must be <(!|+) single-token>)
+### ! does lookup only with tag
+### + does lookup with and without tag
+### <$4> -- passthru (additional data passed unchanged through)
+######################################################################
+
+SF
+R<$+> <$*> <$- $-> <$*> $: <$(access $4:$1 $: ? $)> <$1> <$2> <$3 $4> <$5>
+R<?> <$+> <$*> <+ $-> <$*> $: <$(access $1 $: ? $)> <$1> <$2> <+ $3> <$4>
+R<?> <$+ + $* @ $+> <$*> <$- $-> <$*>
+ $: <$(access $6:$1+*@$3 $: ? $)> <$1+$2@$3> <$4> <$5 $6> <$7>
+R<?> <$+ + $* @ $+> <$*> <+ $-> <$*>
+ $: <$(access $1+*@$3 $: ? $)> <$1+$2@$3> <$4> <+ $5> <$6>
+R<?> <$+ + $* @ $+> <$*> <$- $-> <$*>
+ $: <$(access $6:$1@$3 $: ? $)> <$1+$2@$3> <$4> <$5 $6> <$7>
+R<?> <$+ + $* @ $+> <$*> <+ $-> <$*>
+ $: <$(access $1@$3 $: ? $)> <$1+$2@$3> <$4> <+ $5> <$6>
+R<?> <$+> <$*> <$- $-> <$*> $@ <$2> <$5>
+R<$+ <TMPF>> <$*> <$- $-> <$*> $@ <<TMPF>> <$5>
+R<$+> <$*> <$- $-> <$*> $@ <$1> <$5>
+
+######################################################################
+### E: LookUpExact -- search for an entry in access database
+###
+### Parameters:
+### <$1> -- key
+### <$2> -- default (what to return if not found in db)
+### <$3> -- mark (must be <(!|+) single-token>)
+### ! does lookup only with tag
+### + does lookup with and without tag
+### <$4> -- passthru (additional data passed unchanged through)
+######################################################################
+
+SE
+R<$*> <$*> <$- $-> <$*> $: <$(access $4:$1 $: ? $)> <$1> <$2> <$3 $4> <$5>
+R<?> <$+> <$*> <+ $-> <$*> $: <$(access $1 $: ? $)> <$1> <$2> <+ $3> <$4>
+R<?> <$+> <$*> <$- $-> <$*> $@ <$2> <$5>
+R<$+ <TMPF>> <$*> <$- $-> <$*> $@ <<TMPF>> <$5>
+R<$+> <$*> <$- $-> <$*> $@ <$1> <$5>
+
+######################################################################
+### U: LookUpUser -- search for an entry in access database
+###
+### lookup of key (which should be a local part) and
+### variations if +detail exists: +* and without +detail
+###
+### Parameters:
+### <$1> -- key (user@)
+### <$2> -- default (what to return if not found in db)
+### <$3> -- mark (must be <(!|+) single-token>)
+### ! does lookup only with tag
+### + does lookup with and without tag
+### <$4> -- passthru (additional data passed unchanged through)
+######################################################################
+
+SU
+R<$+> <$*> <$- $-> <$*> $: <$(access $4:$1 $: ? $)> <$1> <$2> <$3 $4> <$5>
+R<?> <$+> <$*> <+ $-> <$*> $: <$(access $1 $: ? $)> <$1> <$2> <+ $3> <$4>
+R<?> <$+ + $* @> <$*> <$- $-> <$*>
+ $: <$(access $5:$1+*@ $: ? $)> <$1+$2@> <$3> <$4 $5> <$6>
+R<?> <$+ + $* @> <$*> <+ $-> <$*>
+ $: <$(access $1+*@ $: ? $)> <$1+$2@> <$3> <+ $4> <$5>
+R<?> <$+ + $* @> <$*> <$- $-> <$*>
+ $: <$(access $5:$1@ $: ? $)> <$1+$2@> <$3> <$4 $5> <$6>
+R<?> <$+ + $* @> <$*> <+ $-> <$*>
+ $: <$(access $1@ $: ? $)> <$1+$2@> <$3> <+ $4> <$5>
+R<?> <$+> <$*> <$- $-> <$*> $@ <$2> <$5>
+R<$+ <TMPF>> <$*> <$- $-> <$*> $@ <<TMPF>> <$5>
+R<$+> <$*> <$- $-> <$*> $@ <$1> <$5>
+
+######################################################################
+### SearchList: search a list of items in the access map
+### Parameters:
+### <exact tag> $| <mark:address> <mark:address> ... <>
+### where "exact" is either "+" or "!":
+### <+ TAG> lookup with and w/o tag
+### <! TAG> lookup with tag
+### possible values for "mark" are:
+### D: recursive host lookup (LookUpDomain)
+### E: exact lookup, no modifications
+### F: full lookup, try user+ext@domain and user@domain
+### U: user lookup, try user+ext and user (input must have trailing @)
+### return: <RHS of lookup> or <?> (not found)
+######################################################################
+
+# class with valid marks for SearchList
+C{Src}E F D U
+SSearchList
+# just call the ruleset with the name of the tag... nice trick...
+R<$+> $| <$={Src}:$*> <$*> $: <$1> $| <$4> $| $>$2 <$3> <?> <$1> <>
+R<$+> $| <> $| <?> <> $@ <?>
+R<$+> $| <$+> $| <?> <> $@ $>SearchList <$1> $| <$2>
+R<$+> $| <$*> $| <$+> <> $@ <$3>
+R<$+> $| <$+> $@ <$2>
+
+
+######################################################################
+### trust_auth: is user trusted to authenticate as someone else?
+###
+### Parameters:
+### $1: AUTH= parameter from MAIL command
+######################################################################
+
+SLocal_trust_auth
+Strust_auth
+R$* $: $&{auth_type} $| $1
+# required by RFC 2554 section 4.
+R$@ $| $* $#error $@ 5.7.1 $: "550 not authenticated"
+R$* $| $&{auth_authen} $@ identical
+R$* $| <$&{auth_authen}> $@ identical
+R$* $| $* $: $1 $| $>"Local_trust_auth" $2
+R$* $| $#$* $#$2
+R$* $#error $@ 5.7.1 $: "550 " $&{auth_authen} " not allowed to act as " $&{auth_author}
+
+######################################################################
+### Relay_Auth: allow relaying based on authentication?
+###
+### Parameters:
+### $1: ${auth_type}
+######################################################################
+SLocal_Relay_Auth
+
+######################################################################
+### srv_features: which features to offer to a client?
+### (done in server)
+######################################################################
+Ssrv_features
+R$* $: $>D <$&{client_name}> <?> <! "Srv_Features"> <>
+R<?>$* $: $>A <$&{client_addr}> <?> <! "Srv_Features"> <>
+R<?>$* $: <$(access "Srv_Features": $: ? $)>
+R<?>$* $@ OK
+R<$* <TMPF>>$* $#temp
+R<$+>$* $# $1
+
+######################################################################
+### try_tls: try to use STARTTLS?
+### (done in client)
+######################################################################
+Stry_tls
+R$* $: $>D <$&{server_name}> <?> <! "Try_TLS"> <>
+R<?>$* $: $>A <$&{server_addr}> <?> <! "Try_TLS"> <>
+R<?>$* $: <$(access "Try_TLS": $: ? $)>
+R<?>$* $@ OK
+R<$* <TMPF>>$* $#error $@ 4.3.0 $: "451 Temporary system failure. Please try again later."
+R<NO>$* $#error $@ 5.7.1 $: "550 do not try TLS with " $&{server_name} " ["$&{server_addr}"]"
+
+######################################################################
+### tls_rcpt: is connection with server "good" enough?
+### (done in client, per recipient)
+###
+### Parameters:
+### $1: recipient
+######################################################################
+Stls_rcpt
+R$* $: $(macro {TLS_Name} $@ $&{server_name} $) $1
+R$+ $: <?> $>CanonAddr $1
+R<?> $+ < @ $+ . > <?> $1 <@ $2 >
+R<?> $+ < @ $+ > $: $1 <@ $2 > $| <F:$1@$2> <U:$1@> <D:$2> <E:>
+R<?> $+ $: $1 $| <U:$1@> <E:>
+R$* $| $+ $: $1 $| $>SearchList <! "TLS_Rcpt"> $| $2 <>
+R$* $| <?> $@ OK
+R$* $| <$* <TMPF>> $#error $@ 4.3.0 $: "451 Temporary system failure. Please try again later."
+R$* $| <$+> $@ $>"TLS_connection" $&{verify} $| <$2>
+
+######################################################################
+### tls_client: is connection with client "good" enough?
+### (done in server)
+###
+### Parameters:
+### ${verify} $| (MAIL|STARTTLS)
+######################################################################
+Stls_client
+R$* $: $(macro {TLS_Name} $@ $&{server_name} $) $1
+R$* $| $* $: $1 $| $>D <$&{client_name}> <?> <! "TLS_Clt"> <>
+R$* $| <?>$* $: $1 $| $>A <$&{client_addr}> <?> <! "TLS_Clt"> <>
+R$* $| <?>$* $: $1 $| <$(access "TLS_Clt": $: ? $)>
+R$* $| <$* <TMPF>> $#error $@ 4.3.0 $: "451 Temporary system failure. Please try again later."
+R$* $@ $>"TLS_connection" $1
+
+######################################################################
+### tls_server: is connection with server "good" enough?
+### (done in client)
+###
+### Parameter:
+### ${verify}
+######################################################################
+Stls_server
+R$* $: $(macro {TLS_Name} $@ $&{server_name} $) $1
+R$* $: $1 $| $>D <$&{server_name}> <?> <! "TLS_Srv"> <>
+R$* $| <?>$* $: $1 $| $>A <$&{server_addr}> <?> <! "TLS_Srv"> <>
+R$* $| <?>$* $: $1 $| <$(access "TLS_Srv": $: ? $)>
+R$* $| <$* <TMPF>> $#error $@ 4.3.0 $: "451 Temporary system failure. Please try again later."
+R$* $@ $>"TLS_connection" $1
+
+######################################################################
+### TLS_connection: is TLS connection "good" enough?
+###
+### Parameters:
+### ${verify} $| <Requirement> [<>]
+### Requirement: RHS from access map, may be ? for none.
+######################################################################
+STLS_connection
+R$* $| <$*>$* $: $1 $| <$2>
+# create the appropriate error codes
+R$* $| <PERM + $={Tls} $*> $: $1 $| <503:5.7.0> <$2 $3>
+R$* $| <TEMP + $={Tls} $*> $: $1 $| <403:4.7.0> <$2 $3>
+R$* $| <$={Tls} $*> $: $1 $| <403:4.7.0> <$2 $3>
+# deal with TLS handshake failures: abort
+RSOFTWARE $| <$-:$+> $* $#error $@ $2 $: $1 " TLS handshake failed."
+RSOFTWARE $| $* $#error $@ 4.7.0 $: "403 TLS handshake failed."
+# deal with TLS protocol errors: abort
+RPROTOCOL $| <$-:$+> $* $#error $@ $2 $: $1 " STARTTLS failed."
+RPROTOCOL $| $* $#error $@ 4.7.0 $: "403 STARTTLS failed."
+R$* $| <$*> <VERIFY> $: <$2> <VERIFY> <> $1
+R$* $| <$*> <VERIFY + $+> $: <$2> <VERIFY> <$3> $1
+R$* $| <$*> <$={Tls}:$->$* $: <$2> <$3:$4> <> $1
+R$* $| <$*> <$={Tls}:$- + $+>$* $: <$2> <$3:$4> <$5> $1
+R$* $| $* $@ OK
+# authentication required: give appropriate error
+# other side did authenticate (via STARTTLS)
+R<$*><VERIFY> <> OK $@ OK
+R<$*><VERIFY> <$+> OK $: <$1> <REQ:0> <$2>
+R<$*><VERIFY:$-> <$*> OK $: <$1> <REQ:$2> <$3>
+R<$*><ENCR:$-> <$*> $* $: <$1> <REQ:$2> <$3>
+R<$-:$+><VERIFY $*> <$*> $#error $@ $2 $: $1 " authentication required"
+R<$-:$+><VERIFY $*> <$*> FAIL $#error $@ $2 $: $1 " authentication failed"
+R<$-:$+><VERIFY $*> <$*> NO $#error $@ $2 $: $1 " not authenticated"
+R<$-:$+><VERIFY $*> <$*> NOT $#error $@ $2 $: $1 " no authentication requested"
+R<$-:$+><VERIFY $*> <$*> NONE $#error $@ $2 $: $1 " other side does not support STARTTLS"
+R<$-:$+><VERIFY $*> <$*> $+ $#error $@ $2 $: $1 " authentication failure " $4
+R<$*><REQ:$-> <$*> $: <$1> <REQ:$2> <$3> $>max $&{cipher_bits} : $&{auth_ssf}
+R<$*><REQ:$-> <$*> $- $: <$1> <$2:$4> <$3> $(arith l $@ $4 $@ $2 $)
+R<$-:$+><$-:$-> <$*> TRUE $#error $@ $2 $: $1 " encryption too weak " $4 " less than " $3
+R<$-:$+><$-:$-> <$*> $* $: <$1:$2 ++ $5>
+R<$-:$+ ++ > $@ OK
+R<$-:$+ ++ $+ > $: <$1:$2> <$3>
+R<$-:$+> < $+ ++ $+ > <$1:$2> <$3> <$4>
+R<$-:$+> $+ $@ $>"TLS_req" $3 $| <$1:$2>
+
+######################################################################
+### TLS_req: check additional TLS requirements
+###
+### Parameters: [<list> <of> <req>] $| <$-:$+>
+### $-: SMTP reply code
+### $+: Enhanced Status Code
+######################################################################
+STLS_req
+R $| $+ $@ OK
+R<CN> $* $| <$+> $: <CN:$&{TLS_Name}> $1 $| <$2>
+R<CN:$&{cn_subject}> $* $| <$+> $@ $>"TLS_req" $1 $| <$2>
+R<CN:$+> $* $| <$-:$+> $#error $@ $4 $: $3 " CN " $&{cn_subject} " does not match " $1
+R<CS:$&{cert_subject}> $* $| <$+> $@ $>"TLS_req" $1 $| <$2>
+R<CS:$+> $* $| <$-:$+> $#error $@ $4 $: $3 " Cert Subject " $&{cert_subject} " does not match " $1
+R<CI:$&{cert_issuer}> $* $| <$+> $@ $>"TLS_req" $1 $| <$2>
+R<CI:$+> $* $| <$-:$+> $#error $@ $4 $: $3 " Cert Issuer " $&{cert_issuer} " does not match " $1
+ROK $@ OK
+
+######################################################################
+### max: return the maximum of two values separated by :
+###
+### Parameters: [$-]:[$-]
+######################################################################
+Smax
+R: $: 0
+R:$- $: $1
+R$-: $: $1
+R$-:$- $: $(arith l $@ $1 $@ $2 $) : $1 : $2
+RTRUE:$-:$- $: $2
+R$-:$-:$- $: $2
+
+
+######################################################################
+### RelayTLS: allow relaying based on TLS authentication
+###
+### Parameters:
+### none
+######################################################################
+SRelayTLS
+# authenticated?
+R$* $: <?> $&{verify}
+R<?> OK $: OK authenticated: continue
+R<?> $* $@ NO not authenticated
+R$* $: $&{cert_issuer}
+R$+ $: $(access CERTISSUER:$1 $)
+RRELAY $# RELAY
+RSUBJECT $: <@> $&{cert_subject}
+R<@> $+ $: <@> $(access CERTSUBJECT:$1 $)
+R<@> RELAY $# RELAY
+R$* $: NO
+
+######################################################################
+### authinfo: lookup authinfo in the access map
+###
+### Parameters:
+### $1: {server_name}
+### $2: {server_addr}
+######################################################################
+Sauthinfo
+R$* $: $1 $| $>D <$&{server_name}> <?> <! AuthInfo> <>
+R$* $| <?>$* $: $1 $| $>A <$&{server_addr}> <?> <! AuthInfo> <>
+R$* $| <?>$* $: $1 $| <$(access AuthInfo: $: ? $)> <>
+R$* $| <?>$* $@ no no authinfo available
+R$* $| <$*> <> $# $2
+
+
+
+
+
+#
+######################################################################
+######################################################################
+#####
+##### MAIL FILTER DEFINITIONS
+#####
+######################################################################
+######################################################################
+
+#
+######################################################################
+######################################################################
+#####
+##### MAILER DEFINITIONS
+#####
+######################################################################
+######################################################################
+
+#####################################
+### SMTP Mailer specification ###
+#####################################
+
+##### $Id: smtp.m4,v 8.65 2006/07/12 21:08:10 ca Exp $ #####
+
+#
+# common sender and masquerading recipient rewriting
+#
+SMasqSMTP
+R$* < @ $* > $* $@ $1 < @ $2 > $3 already fully qualified
+R$+ $@ $1 < @ *LOCAL* > add local qualification
+
+#
+# convert pseudo-domain addresses to real domain addresses
+#
+SPseudoToReal
+
+# pass <route-addr>s through
+R< @ $+ > $* $@ < @ $1 > $2 resolve <route-addr>
+
+# output fake domains as user%fake@relay
+
+# do UUCP heuristics; note that these are shared with UUCP mailers
+R$+ < @ $+ .UUCP. > $: < $2 ! > $1 convert to UUCP form
+R$+ < @ $* > $* $@ $1 < @ $2 > $3 not UUCP form
+
+# leave these in .UUCP form to avoid further tampering
+R< $&h ! > $- ! $+ $@ $2 < @ $1 .UUCP. >
+R< $&h ! > $-.$+ ! $+ $@ $3 < @ $1.$2 >
+R< $&h ! > $+ $@ $1 < @ $&h .UUCP. >
+R< $+ ! > $+ $: $1 ! $2 < @ $Y > use UUCP_RELAY
+R$+ < @ $~[ $* : $+ > $@ $1 < @ $4 > strip mailer: part
+R$+ < @ > $: $1 < @ *LOCAL* > if no UUCP_RELAY
+
+
+#
+# envelope sender rewriting
+#
+SEnvFromSMTP
+R$+ $: $>PseudoToReal $1 sender/recipient common
+R$* :; <@> $@ list:; special case
+R$* $: $>MasqSMTP $1 qualify unqual'ed names
+R$+ $: $>MasqEnv $1 do masquerading
+
+
+#
+# envelope recipient rewriting --
+# also header recipient if not masquerading recipients
+#
+SEnvToSMTP
+R$+ $: $>PseudoToReal $1 sender/recipient common
+R$+ $: $>MasqSMTP $1 qualify unqual'ed names
+R$* < @ *LOCAL* > $* $: $1 < @ $j . > $2
+
+#
+# header sender and masquerading header recipient rewriting
+#
+SHdrFromSMTP
+R$+ $: $>PseudoToReal $1 sender/recipient common
+R:; <@> $@ list:; special case
+
+# do special header rewriting
+R$* <@> $* $@ $1 <@> $2 pass null host through
+R< @ $* > $* $@ < @ $1 > $2 pass route-addr through
+R$* $: $>MasqSMTP $1 qualify unqual'ed names
+R$+ $: $>MasqHdr $1 do masquerading
+
+
+#
+# relay mailer header masquerading recipient rewriting
+#
+SMasqRelay
+R$+ $: $>MasqSMTP $1
+R$+ $: $>MasqHdr $1
+
+Msmtp, P=[IPC], F=mDFMuX, S=EnvFromSMTP/HdrFromSMTP, R=EnvToSMTP, E=\r\n, L=990,
+ T=DNS/RFC822/SMTP,
+ A=TCP $h
+Mesmtp, P=[IPC], F=mDFMuXa, S=EnvFromSMTP/HdrFromSMTP, R=EnvToSMTP, E=\r\n, L=990,
+ T=DNS/RFC822/SMTP,
+ A=TCP $h
+Msmtp8, P=[IPC], F=mDFMuX8, S=EnvFromSMTP/HdrFromSMTP, R=EnvToSMTP, E=\r\n, L=990,
+ T=DNS/RFC822/SMTP,
+ A=TCP $h
+Mdsmtp, P=[IPC], F=mDFMuXa%, S=EnvFromSMTP/HdrFromSMTP, R=EnvToSMTP, E=\r\n, L=990,
+ T=DNS/RFC822/SMTP,
+ A=TCP $h
+Mrelay, P=[IPC], F=mDFMuXa8, S=EnvFromSMTP/HdrFromSMTP, R=MasqSMTP, E=\r\n, L=2040,
+ T=DNS/RFC822/SMTP,
+ A=TCP $h
+
+
+######################*****##############
+### PROCMAIL Mailer specification ###
+##################*****##################
+
+##### $Id: procmail.m4,v 8.22 2001/11/12 23:11:34 ca Exp $ #####
+
+Mprocmail, P=/usr/bin/procmail, F=DFMSPhnu9, S=EnvFromSMTP/HdrFromSMTP, R=EnvToSMTP/HdrFromSMTP,
+ T=DNS/RFC822/X-Unix,
+ A=procmail -Y -m $h $f $u
+
+
+##################################################
+### Local and Program Mailer specification ###
+##################################################
+
+##### $Id: local.m4,v 8.59 2004/11/23 00:37:25 ca Exp $ #####
+
+#
+# Envelope sender rewriting
+#
+SEnvFromL
+R<@> $n errors to mailer-daemon
+R@ <@ $*> $n temporarily bypass Sun bogosity
+R$+ $: $>AddDomain $1 add local domain if needed
+R$* $: $>MasqEnv $1 do masquerading
+
+#
+# Envelope recipient rewriting
+#
+SEnvToL
+R$+ < @ $* > $: $1 strip host part
+
+#
+# Header sender rewriting
+#
+SHdrFromL
+R<@> $n errors to mailer-daemon
+R@ <@ $*> $n temporarily bypass Sun bogosity
+R$+ $: $>AddDomain $1 add local domain if needed
+R$* $: $>MasqHdr $1 do masquerading
+
+#
+# Header recipient rewriting
+#
+SHdrToL
+R$+ $: $>AddDomain $1 add local domain if needed
+R$* < @ *LOCAL* > $* $: $1 < @ $j . > $2
+
+#
+# Common code to add local domain name (only if always-add-domain)
+#
+SAddDomain
+
+Mlocal, P=/usr/bin/procmail, F=lsDFMAw5:/|@qSPfhn9, S=EnvFromL/HdrFromL, R=EnvToL/HdrToL,
+ T=DNS/RFC822/X-Unix,
+ A=procmail -t -Y -a $h -d $u
+Mprog, P=/usr/sbin/smrsh, F=lsDFMoqeu9, S=EnvFromL/HdrFromL, R=EnvToL/HdrToL, D=$z:/,
+ T=X-Unix/X-Unix/X-Unix,
+ A=smrsh -c $u
+