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#
# 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 [email protected] on Wed Sep 1 06:16:23 EDT 2004
##### in /usr/src/build/446503-i386/BUILD/sendmail-8.13.1/cf/cf
##### using ../ 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 Red Hat 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: redirect.m4,v 8.15 1999/08/06 01:47:36 gshapiro Exp $ #####
##### $Id: always_add_domain.m4,v 8.11 2000/09/12 22:00:53 ca 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: local_procmail.m4,v 8.22 2002/11/17 04:24:19 ca Exp $ #####
##### $Id: access_db.m4,v 8.26 2004/06/24 18:10:02 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 8.710 2004/07/27 17:32:48 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
# 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 $M
#CL root
C{E}root
C{w}localhost.localdomain
# my name for error messages
DnMAILER-DAEMON
# Mailer table (overriding domains)
Kmailertable hash -o /etc/mail/mailertable.db
# Virtual user table (maps incoming users)
Kvirtuser hash -o /etc/mail/virtusertable.db
CPREDIRECT
# Access list database (for spam stomping)
Kaccess hash -T -o /etc/mail/access.db
# Configuration version number
DZ8.13.1
###############
# Options #
###############
# strip message body to 7 bits on input?
O SevenBitInput=False
# 8-bit data handling
#O EightBitMode=pass8
# wait for alias file rebuild (default units: minutes)
O AliasWait=10
# location of alias file
O AliasFile=/etc/aliases
# minimum number of free blocks on filesystem
O MinFreeBlocks=100
# maximum message size
#O MaxMessageSize=0
# substitution for space (blank) characters
O BlankSub=.
# avoid connecting to "expensive" mailers on initial submission?
O HoldExpensive=False
# checkpoint queue runs after every N successful deliveries
#O CheckpointInterval=10
# default delivery mode
O DeliveryMode=background
# error message header/file
#O ErrorHeader=/etc/mail/error-header
# error mode
#O ErrorMode=print
# save Unix-style "From_" lines at top of header?
#O SaveFromLine=False
# queue file mode (qf files)
#O QueueFileMode=0600
# temporary file mode
O TempFileMode=0600
# match recipients against GECOS field?
#O MatchGECOS=False
# maximum hop count
#O MaxHopCount=25
# location of help file
O HelpFile=/etc/mail/helpfile
# ignore dots as terminators in incoming messages?
#O IgnoreDots=False
# name resolver options
#O ResolverOptions=+AAONLY
# deliver MIME-encapsulated error messages?
O SendMimeErrors=True
# Forward file search path
O ForwardPath=$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=.hoststat
# single thread deliveries (requires HostStatusDirectory)?
#O SingleThreadDelivery=False
# 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,Addr=127.0.0.1, 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=10000
# 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
#O SharedMemoryKey=0
# timeouts (many of these)
#O Timeout.initial=5m
O Timeout.connect=1m
#O Timeout.aconnect=0s
#O Timeout.iconnect=5m
#O Timeout.helo=5m
#O Timeout.mail=10m
#O Timeout.rcpt=1h
#O Timeout.datainit=5m
#O Timeout.datablock=1h
#O Timeout.datafinal=1h
#O Timeout.rset=5m
#O Timeout.quit=2m
#O Timeout.misc=2m
#O Timeout.command=1h
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=30m
#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=iso-8859-1
# 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=10s
# action to take if there are no recipients in the message
#O NoRecipientAction=add-to-undisclosed
# chrooted environment for writing to files
#O SafeFileEnvironment=/arch
# 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
# 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
############################
# 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
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 [ $3 ] <@> remark if leading colon
R$* : $* <@> $: $2 strip colon if marked
R$* <@> $: $1 unmark
R$* ; $1 strip trailing semi
R$* < $+ :; > $* $@ $2 :; <@> catch
R$* < $* ; > $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> ->
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 > $3 canon IP addr
# if really UUCP, handle it immediately
# try UUCP traffic as a local address
R$* < @ $+ . UUCP > $* $: $1 < @ $[ $2 $] . UUCP . > $3
R$* < @ $+ . . UUCP . > $* $@ $1 < @ $2 . > $3
# hostnames ending in class P are always canonical
R$* < @ $* $=P > $* $: $1 < @ $2 $3 . > $4
R$* < @ $* $~P > $* $: $&{daemon_flags} $| $1 < @ $2 $3 > $4
R$* CC $* $| $* < @ $+.$+ > $* $: $3 < @ $4.$5 . > $6
R$* CC $* $| $* $: $3
# pass to name server to make hostname canonical
R$* $| $* < @ $* > $* $: $2 < @ $[ $3 $] > $4
R$* $| $* $: $2
# local host aliases and pseudo-domains are always canonical
R$* < @ $=w > $* $: $1 < @ $2 . > $3
R$* < @ $=M > $* $: $1 < @ $2 . > $3
R$* < @ $={VirtHost} > $* $: $1 < @ $2 . > $3
R$* < @ $* . . > $* $1 < @ $2 . > $3
##################################################
### Ruleset 4 -- Final Output Post-rewriting ###
##################################################
Sfinal=4
R$+ :; <@> $@ $1 : handle
R$* <@> $@ handle <> and list:;
# strip trailing dot off possibly canonical name
R$* < @ $+ . > $* $1 < @ $2 > $3
# eliminate internal code
R$* < @ *LOCAL* > $* $1 < @ $j > $2
# externalize local domain info
R$* < $+ > $* $1 $2 $3 defocus
R@ $+ : @ $+ : $+ @ $1 , @ $2 : $3 canonical
R@ $* $@ @ $1 ... and exit
# UUCP must always be presented in old form
R$+ @ $- . UUCP $2!$1 [email protected] => h!u
# delete duplicate local names
R$+ % $=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 > $3 [email protected]
# handle locally delivered names
R$=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 < @ $j . >
###################################################################
### Ruleset 94 -- convert envelope names to masqueraded form ###
###################################################################
SMasqEnv=94
R$* < @ *LOCAL* > $* $: $1 < @ $j . > $2
###################################################################
### Ruleset 98 -- local part of ruleset zero (can be null) ###
###################################################################
SParseLocal=98
# addresses sent to [email protected] will give a 551 error code
R$* < @ $+ .REDIRECT. > $: $1 < @ $2 . REDIRECT . > < ${opMode} >
R$* < @ $+ .REDIRECT. > $: $1 < @ $2 . REDIRECT. >
R$* < @ $+ .REDIRECT. > < $- > $#error $@ 5.1.1 $: "551 User has moved; please try " <$1@$2>
######################################################################
### 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> <$5>
R<$* > <$+> <$+> <$- $-> <$*> $@ <> <$6>
R<$*> <$+> <$+> <$- $-> <$*> $@ <$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> <$5>
R<$* > <$+> <$+> <$- $-> <$*> $@ <> <$6>
R<$*> <$+> <$+> <$- $-> <$*> $@ <$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 $* < @ $* > $: $1 $2 $3 < @ $4>
R $* $@ $1
R $* < @ $* $=R > $: $1 < @ $2 $3 >
R $* < @ $+ > $: $>D <$2> <+ To> <$1 < @ $2 >>
R<$+> <$+> $: <$1> $2
R $* < @ $* > $@ $>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}> <$*> $@ $1 return value of lookup
R <$*> $#error $@ 5.7.1 $: "550 Access denied"
R <$*> $#discard $: discard
R <$*> $#error $@ quarantine $: $1
R <$*> $#error $@ $1.$2.$3 $: $4
R <$*> $#error $: $1
R<$* > <$*> $#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<> $@ we MUST accept <> (RFC 1123)
R$+ $: $1
R<$+> $: <@> <$1>
R$+ $: <@> <$1>
R$* $: $&{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.UUCP >
$: < ? $&{client_name} > < $1 @ localhost.UUCP >
R<@> $* $: $1 no localhost as domain
R $* $: $2 local client: ok
R <$+> $#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 > $: $1 < @ $2 $3 >
R $* < @ $j > $: $1 < @ $j >
R $* < @ $+ > $: $1 < @ $2 > ... unresolvable OK
# check sender address: user@address, user@, address
R<$+> $+ < @ $* > $: @<$1> <$2 < @ $3 >> $|
R<$+> $+ $: @<$1> <$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 $* $| $* $: $3
R$* $| $* $: $2
R $* $: < ? $&{client_addr} > $1
R $* $@ ...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}> $* $@ domain ok: stop
R $* $#error $@ 4.1.8 $: "451 Domain of sender address " $&f " does not resolve"
R $* $#error $@ 5.1.8 $: "553 Domain of sender address " $&f " does not exist"
R<$={Accept}> $* $# $1 accept from access map
R $* $#discard $: discard
R $* $#error $@ quarantine $: $1
R $* $#error $@ 5.7.1 $: "550 Access denied"
R $* $#error $@ $1.$2.$3 $: $4
R $* $#error $: $1
R<> $* $#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 $2
R$* $| @ $#$* $#$2
R$* $| @ RELAY $@ RELAY
R$* $| @ $* $: O $| $>"Relay_ok" $1
R$* $| T $+ $: T $2 $| $>"Relay_ok" $1
R$* $| $#TEMP $+ $#error $2
R$* $| $#$* $#$2
R$* $| RELAY $@ RELAY
R T $+ $| $* $#error $1
# anything else is bogus
R$* $#error $@ 5.7.1 $: "550 Relaying denied"
######################################################################
### Rcpt_ok: is the recipient ok?
######################################################################
SRcpt_ok
R$* $: $>ParseRecipient $1 strip relayable hosts
# blacklist local users or any host from receiving mail
R$* $: $1
R $+ < @ $=w > $: <> <$1 < @ $2 >> $|
R $+ < @ $* > $: <> <$1 < @ $2 >> $|
R $+ $: <> <$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 $* $#error $@ 5.2.1 $: "550 Mailbox disabled for this recipient"
R $* $#discard $: discard
R $* $#error $@ quarantine $: $1
R $* $#error $@ $1.$2.$3 $: $4
R $* $#error $: $1
R<> $* $#error $@ 4.3.0 $: "451 Temporary system failure. Please try again later."
R<$+> $* $#error $: $1 error from access db
R@ $* $1 remove mark
# authenticated via TLS?
R$* $: $1 $| $>RelayTLS client authenticated?
R$* $| $# $+ $# $2 error/ok?
R$* $| $* $: $1 no
R$* $: $1 $| $>"Local_Relay_Auth" $&{auth_type}
R$* $| $# $* $# $2
R$* $| NO $: $1
R$* $| $* $: $1 $| $&{auth_type}
R$* $| $: $1
R$* $| $={TrustAuthMech} $# RELAY
R$* $| $* $: $1
# anything terminating locally is ok
R$+ < @ $=w > $@ RELAY
R$+ < @ $* $=R > $@ RELAY
R$+ < @ $+ > $: $>D <$2> <+ To> <$1 < @ $2 >>
R $* $@ RELAY
R<$* > $* $#TEMP $@ 4.3.0 $: "451 Temporary system failure. Please try again later."
R<$*> <$*> $: $2
# check for local user (i.e. unqualified address)
R$* $: $1
R $* < @ $+ > $: $1 < @ $2 >
# local user is ok
R $+ $@ RELAY
R<$+> $* $: $2
######################################################################
### Relay_ok: is the relay/sender ok?
######################################################################
SRelay_ok
# anything originating locally is ok
# check IP address
R$* $: $&{client_addr}
R$@ $@ RELAY originated locally
R0 $@ RELAY originated locally
R127.0.0.1 $@ RELAY originated locally
RIPv6:::1 $@ RELAY originated locally
R$=R $* $@ RELAY relayable IP address
R$* $: $>A <$1> <+ Connect> <$1>
R $* $@ RELAY relayable IP address
R<> $* $#TEMP $@ 4.3.0 $: "451 Temporary system failure. Please try again later."
R<$*> <$*> $: $2
R$* $: [ $1 ] put brackets around it...
R$=w $@ RELAY ... and see if it is local
# check client name: first: did it resolve?
R$* $: < $&{client_resolve} >
R $#TEMP $@ 4.4.0 $: "450 Relaying temporarily denied. Cannot resolve PTR record for " $&{client_addr}
R $#error $@ 5.7.1 $: "550 Relaying denied. IP name possibly forged " $&{client_name}
R $#error $@ 5.7.1 $: "550 Relaying denied. IP name lookup failed " $&{client_name}
R$* $: <@> $&{client_name}
# pass to name server to make hostname canonical
R<@> $* $=P $: $1 $2
R<@> $+ $: $[ $1 $]
R$* . $1 strip trailing dots
R $=w $@ RELAY
R $* $=R $@ RELAY
R $* $: $>D <$1> <+ Connect> <$1>
R $* $@ RELAY
R<$* > $* $#TEMP $@ 4.3.0 $: "451 Temporary system failure. Please try again later."
R<$*> <$*> $: $2
######################################################################
### 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> <$5>
R<$+ > <$*> <$- $-> <$*> $@ <> <$5>
R<$+> <$*> <$- $-> <$*> $@ <$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> <$5>
R<$+ > <$*> <$- $-> <$*> $@ <> <$5>
R<$+> <$*> <$- $-> <$*> $@ <$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> <$5>
R<$+ > <$*> <$- $-> <$*> $@ <> <$5>
R<$+> <$*> <$- $-> <$*> $@ <$1> <$5>
######################################################################
### SearchList: search a list of items in the access map
### Parameters:
### $| ... <>
### where "exact" is either "+" or "!":
### <+ TAG> lookup with and w/o tag
### lookup with tag
### possible values for "mark" are:
### D: recursive host lookup (LookUpDomain)
### E: exact lookup, no modifications
### F: full lookup, try user+ext@domain and user@domain
### U: user lookup, try user+ext and user (input must have trailing @)
### return: or (not found)
######################################################################
# class with valid marks for SearchList
C{Src}E F D U
SSearchList
# just call the ruleset with the name of the tag... nice trick...
R<$+> $| <$={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}> <>
R$* $: $>A <$&{client_addr}> <>
R$* $: <$(access "Srv_Features": $: ? $)>
R$* $@ OK
R<$* >$* $#temp
R<$+>$* $# $1
######################################################################
### try_tls: try to use STARTTLS?
### (done in client)
######################################################################
Stry_tls
R$* $: $>D <$&{server_name}> <>
R$* $: $>A <$&{server_addr}> <>
R$* $: <$(access "Try_TLS": $: ? $)>
R$* $@ OK
R<$* >$* $#error $@ 4.3.0 $: "451 Temporary system failure. Please try again later."
R$* $#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 > $|
R $+ $: $1 $|
R$* $| $+ $: $1 $| $>SearchList $| $2 <>
R$* $| $@ OK
R$* $| <$* > $#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}> <>
R$* $| $* $: $1 $| $>A <$&{client_addr}> <>
R$* $| $* $: $1 $| <$(access "TLS_Clt": $: ? $)>
R$* $| <$* > $#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}> <>
R$* $| $* $: $1 $| $>A <$&{server_addr}> <>
R$* $| $* $: $1 $| <$(access "TLS_Srv": $: ? $)>
R$* $| <$* > $#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} $| [<>]
### Requirement: RHS from access map, may be ? for none.
######################################################################
STLS_connection
R$* $| <$*>$* $: $1 $| <$2>
# create the appropriate error codes
R$* $| $: $1 $| <503:5.7.0> <$2 $3>
R$* $| $: $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 $: "403 TLS handshake failed."
R$* $| <$*> $: <$2> <> $1
R$* $| <$*> $: <$2> <$3> $1
R$* $| <$*> <$={Tls}:$->$* $: <$2> <$3:$4> <> $1
R$* $| <$*> <$={Tls}:$- + $+>$* $: <$2> <$3:$4> <$5> $1
R$* $| $* $@ OK
# authentication required: give appropriate error
# other side did authenticate (via STARTTLS)
R<$*> <> OK $@ OK
R<$*> <$+> OK $: <$1> <$2>
R<$*> <$*> OK $: <$1> <$3>
R<$*> <$*> $* $: <$1> <$3>
R<$-:$+> <$*> $#error $@ $2 $: $1 " authentication required"
R<$-:$+> <$*> FAIL $#error $@ $2 $: $1 " authentication failed"
R<$-:$+> <$*> NO $#error $@ $2 $: $1 " not authenticated"
R<$-:$+> <$*> NOT $#error $@ $2 $: $1 " no authentication requested"
R<$-:$+> <$*> NONE $#error $@ $2 $: $1 " other side does not support STARTTLS"
R<$-:$+> <$*> $+ $#error $@ $2 $: $1 " authentication failure " $4
R<$*> <$*> $: <$1> <$3> $>max $&{cipher_bits} : $&{auth_ssf}
R<$*> <$*> $- $: <$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: [ ] $| <$-:$+>
### $-: SMTP reply code
### $+: Enhanced Status Code
######################################################################
STLS_req
R $| $+ $@ OK
R $* $| <$+> $: $1 $| <$2>
R $* $| <$+> $@ $>"TLS_req" $1 $| <$2>
R $* $| <$-:$+> $#error $@ $4 $: $3 " CN " $&{cn_subject} " does not match " $1
R $* $| <$+> $@ $>"TLS_req" $1 $| <$2>
R $* $| <$-:$+> $#error $@ $4 $: $3 " Cert Subject " $&{cert_subject} " does not match " $1
R $* $| <$+> $@ $>"TLS_req" $1 $| <$2>
R $* $| <$-:$+> $#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}> <>
R$* $| $* $: $1 $| $>A <$&{server_addr}> <>
R$* $| $* $: $1 $| <$(access AuthInfo: $: ? $)> <>
R$* $| $* $@ no no authinfo available
R$* $| <$*> <> $# $2
#
######################################################################
######################################################################
#####
##### MAIL FILTER DEFINITIONS
#####
######################################################################
######################################################################
#
######################################################################
######################################################################
#####
##### MAILER DEFINITIONS
#####
######################################################################
######################################################################
#####################################
### SMTP Mailer specification ###
#####################################
##### $Id: smtp.m4,v 8.64 2001/04/03 01:52:54 gshapiro 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 s through
R< @ $+ > $* $@ < @ $1 > $2 resolve
# output fake domains as user%fake@relay
# do UUCP heuristics; note that these are shared with UUCP mailers
R$+ < @ $+ .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 8.58 2000/10/26 01:58:29 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 . > $2
#
# Common code to add local domain name (only if always-add-domain)
#
SAddDomain
R$* < @ $* > $* $@ $1 < @ $2 > $3 already fully qualified
R$+ $@ $1 < @ *LOCAL* > add local qualification
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
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