893 lines
29 KiB
Plaintext
893 lines
29 KiB
Plaintext
divert(-1)
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#
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# Copyright (c) 1983, 1995 Eric P. Allman
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# Copyright (c) 1988, 1993
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# The Regents of the University of California. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# 3. All advertising materials mentioning features or use of this software
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# must display the following acknowledgement:
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# This product includes software developed by the University of
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# California, Berkeley and its contributors.
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# 4. Neither the name of the University nor the names of its contributors
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# may be used to endorse or promote products derived from this software
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# without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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divert(0)
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VERSIONID(`@(#)proto.m4 8.136 (Berkeley) 11/24/96')
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MAILER(local)dnl
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# level 7 config file format
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V7/Berkeley
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divert(-1)
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# do some sanity checking
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ifdef(`__OSTYPE__',,
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`errprint(`*** ERROR: No system type defined (use OSTYPE macro)')')
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# pick our default mailers
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ifdef(`confSMTP_MAILER',, `define(`confSMTP_MAILER', `esmtp')')
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ifdef(`confLOCAL_MAILER',, `define(`confLOCAL_MAILER', `local')')
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ifdef(`confRELAY_MAILER',,
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`define(`confRELAY_MAILER',
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`ifdef(`_MAILER_smtp_', `relay',
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`ifdef(`_MAILER_uucp', `uucp-new', `unknown')')')')
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ifdef(`confUUCP_MAILER',, `define(`confUUCP_MAILER', `uucp-old')')
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define(`_SMTP_', `confSMTP_MAILER')dnl for readability only
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define(`_LOCAL_', `confLOCAL_MAILER')dnl for readability only
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define(`_RELAY_', `confRELAY_MAILER')dnl for readability only
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define(`_UUCP_', `confUUCP_MAILER')dnl for readability only
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# back compatibility with old config files
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ifdef(`confDEF_GROUP_ID',
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`errprint(`*** confDEF_GROUP_ID is obsolete.')
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errprint(` Use confDEF_USER_ID with a colon in the value instead.')')
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ifdef(`confREAD_TIMEOUT',
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`errprint(`*** confREAD_TIMEOUT is obsolete.')
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errprint(` Use individual confTO_<timeout> parameters instead.')')
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ifdef(`confMESSAGE_TIMEOUT',
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`define(`_ARG_', index(confMESSAGE_TIMEOUT, /))
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ifelse(_ARG_, -1,
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`define(`confTO_QUEUERETURN', confMESSAGE_TIMEOUT)',
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`define(`confTO_QUEUERETURN',
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substr(confMESSAGE_TIMEOUT, 0, _ARG_))
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define(`confTO_QUEUEWARN',
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substr(confMESSAGE_TIMEOUT, eval(_ARG_+1)))')')
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ifdef(`confMIN_FREE_BLOCKS', `ifelse(index(confMIN_FREE_BLOCKS, /), -1,,
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`errprint(`*** compound confMIN_FREE_BLOCKS is obsolete.')
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errprint(` Use confMAX_MESSAGE_SIZE for the second part of the value.')')')
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# clean option definitions below....
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define(`_OPTION', `ifdef(`$2', `O $1=$2', `#O $1`'ifelse($3, `',, `=$3')')')dnl
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divert(0)dnl
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##################
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# local info #
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##################
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Cwlocalhost
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ifdef(`USE_CW_FILE',
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`# file containing names of hosts for which we receive email
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Fw`'confCW_FILE',
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`dnl')
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# my official domain name
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# ... `define' this only if sendmail cannot automatically determine your domain
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ifdef(`confDOMAIN_NAME', `Dj`'confDOMAIN_NAME', `#Dj$w.Foo.COM')
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ifdef(`_NULL_CLIENT_ONLY_', `divert(-1)')dnl
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CP.
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ifdef(`UUCP_RELAY',
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`# UUCP relay host
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DY`'UUCP_RELAY
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CPUUCP
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')dnl
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ifdef(`BITNET_RELAY',
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`# BITNET relay host
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DB`'BITNET_RELAY
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CPBITNET
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')dnl
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ifdef(`DECNET_RELAY',
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`define(`_USE_DECNET_SYNTAX_', 1)dnl
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# DECnet relay host
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DC`'DECNET_RELAY
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CPDECNET
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')dnl
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ifdef(`FAX_RELAY',
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`# FAX relay host
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DF`'FAX_RELAY
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CPFAX
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')dnl
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# "Smart" relay host (may be null)
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DS`'ifdef(`SMART_HOST', SMART_HOST)
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# place to which unknown users should be forwarded
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ifdef(`LUSER_RELAY', `', `#')dnl
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Kuser user -m -a<>
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ifdef(`LUSER_RELAY',
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`DL`'LUSER_RELAY',
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`#DLname_of_luser_relay')
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# operators that cannot be in local usernames (i.e., network indicators)
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CO @ % ifdef(`_NO_UUCP_', `', `!')
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# a class with just dot (for identifying canonical names)
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C..
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# a class with just a left bracket (for identifying domain literals)
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C[[
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# Mailer table (overriding domains)
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ifdef(`MAILER_TABLE',
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`Kmailertable MAILER_TABLE',
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`#Kmailertable dbm /etc/mailertable')
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# Domain table (adding domains)
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ifdef(`DOMAIN_TABLE',
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`Kdomaintable DOMAIN_TABLE',
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`#Kdomaintable dbm /etc/domaintable')
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# Generics table (mapping outgoing addresses)
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ifdef(`GENERICS_TABLE',
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`Kgenerics GENERICS_TABLE',
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`#Kgenerics dbm /etc/genericstable')
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# Virtual user table (maps incoming users)
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ifdef(`VIRTUSER_TABLE',
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`Kvirtuser VIRTUSER_TABLE',
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`#Kvirtuser dbm /etc/virtusertable')
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# who I send unqualified names to (null means deliver locally)
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DR`'ifdef(`LOCAL_RELAY', LOCAL_RELAY)
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# who gets all local email traffic ($R has precedence for unqualified names)
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DH`'ifdef(`MAIL_HUB', MAIL_HUB)
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# class L: names that should be delivered locally, even if we have a relay
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# class E: names that should be exposed as from this host, even if we masquerade
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# class M: domains that should be converted to $M
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#CL root
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CE root
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undivert(5)dnl
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# dequoting map
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Kdequote dequote
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divert(0)dnl # end of nullclient diversion
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# who I masquerade as (null for no masquerading) (see also $=M)
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DM`'ifdef(`MASQUERADE_NAME', MASQUERADE_NAME)
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# my name for error messages
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ifdef(`confMAILER_NAME', `Dn`'confMAILER_NAME', `#DnMAILER-DAEMON')
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undivert(6)dnl
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include(_CF_DIR_`m4/version.m4')
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###############
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# Options #
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###############
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# strip message body to 7 bits on input?
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_OPTION(SevenBitInput, `confSEVEN_BIT_INPUT')
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# 8-bit data handling
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_OPTION(EightBitMode, `confEIGHT_BIT_HANDLING', adaptive)
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ifdef(`_NULL_CLIENT_ONLY_', `dnl', `
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# wait for alias file rebuild (default units: minutes)
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_OPTION(AliasWait, `confALIAS_WAIT', 5m)
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# location of alias file
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_OPTION(AliasFile, `ALIAS_FILE', /etc/aliases)
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')
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# minimum number of free blocks on filesystem
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_OPTION(MinFreeBlocks, `confMIN_FREE_BLOCKS', 100)
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# maximum message size
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_OPTION(MaxMessageSize, `confMAX_MESSAGE_SIZE', 1000000)
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# substitution for space (blank) characters
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_OPTION(BlankSub, `confBLANK_SUB', _)
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# avoid connecting to "expensive" mailers on initial submission?
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_OPTION(HoldExpensive, `confCON_EXPENSIVE')
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# checkpoint queue runs after every N successful deliveries
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_OPTION(CheckpointInterval, `confCHECKPOINT_INTERVAL', 10)
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# default delivery mode
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_OPTION(DeliveryMode, `confDELIVERY_MODE', background)
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# automatically rebuild the alias database?
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_OPTION(AutoRebuildAliases, `confAUTO_REBUILD')
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# error message header/file
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_OPTION(ErrorHeader, `confERROR_MESSAGE', /etc/sendmail.oE)
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# error mode
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_OPTION(ErrorMode, `confERROR_MODE', print)
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# save Unix-style "From_" lines at top of header?
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_OPTION(SaveFromLine, `confSAVE_FROM_LINES')
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# temporary file mode
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_OPTION(TempFileMode, `confTEMP_FILE_MODE', 0600)
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# match recipients against GECOS field?
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_OPTION(MatchGECOS, `confMATCH_GECOS')
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# maximum hop count
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_OPTION(MaxHopCount, `confMAX_HOP', 17)
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# location of help file
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O HelpFile=ifdef(`HELP_FILE', HELP_FILE, /usr/lib/sendmail.hf)
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# ignore dots as terminators in incoming messages?
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_OPTION(IgnoreDots, `confIGNORE_DOTS')
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# name resolver options
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_OPTION(ResolverOptions, `confBIND_OPTS', +AAONLY)
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# deliver MIME-encapsulated error messages?
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_OPTION(SendMimeErrors, `confMIME_FORMAT_ERRORS')
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# Forward file search path
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_OPTION(ForwardPath, `confFORWARD_PATH', /var/forward/$u:$z/.forward.$w:$z/.forward)
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# open connection cache size
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_OPTION(ConnectionCacheSize, `confMCI_CACHE_SIZE', 2)
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# open connection cache timeout
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_OPTION(ConnectionCacheTimeout, `confMCI_CACHE_TIMEOUT', 5m)
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# persistent host status directory
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_OPTION(HostStatusDirectory, `confHOST_STATUS_DIRECTORY', .hoststat)
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# single thread deliveries (requires HostStatusDirectory)?
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_OPTION(SingleThreadDelivery, `confSINGLE_THREAD_DELIVERY')
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# use Errors-To: header?
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_OPTION(UseErrorsTo, `confUSE_ERRORS_TO')
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# log level
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_OPTION(LogLevel, `confLOG_LEVEL', 10)
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# send to me too, even in an alias expansion?
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_OPTION(MeToo, `confME_TOO')
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# verify RHS in newaliases?
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_OPTION(CheckAliases, `confCHECK_ALIASES')
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# default messages to old style headers if no special punctuation?
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_OPTION(OldStyleHeaders, `confOLD_STYLE_HEADERS')
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# SMTP daemon options
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_OPTION(DaemonPortOptions, `confDAEMON_OPTIONS', Port=esmtp)
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# privacy flags
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_OPTION(PrivacyOptions, `confPRIVACY_FLAGS', authwarnings)
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# who (if anyone) should get extra copies of error messages
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_OPTION(PostMasterCopy, `confCOPY_ERRORS_TO', Postmaster)
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# slope of queue-only function
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_OPTION(QueueFactor, `confQUEUE_FACTOR', 600000)
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# queue directory
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O QueueDirectory=ifdef(`QUEUE_DIR', QUEUE_DIR, /var/spool/mqueue)
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# timeouts (many of these)
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_OPTION(Timeout.initial, `confTO_INITIAL', 5m)
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_OPTION(Timeout.connect, `confTO_CONNECT', 5m)
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_OPTION(Timeout.iconnect, `confTO_ICONNECT', 5m)
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_OPTION(Timeout.helo, `confTO_HELO', 5m)
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_OPTION(Timeout.mail, `confTO_MAIL', 10m)
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_OPTION(Timeout.rcpt, `confTO_RCPT', 1h)
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_OPTION(Timeout.datainit, `confTO_DATAINIT', 5m)
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_OPTION(Timeout.datablock, `confTO_DATABLOCK', 1h)
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_OPTION(Timeout.datafinal, `confTO_DATAFINAL', 1h)
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_OPTION(Timeout.rset, `confTO_RSET', 5m)
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_OPTION(Timeout.quit, `confTO_QUIT', 2m)
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_OPTION(Timeout.misc, `confTO_MISC', 2m)
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_OPTION(Timeout.command, `confTO_COMMAND', 1h)
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_OPTION(Timeout.ident, `confTO_IDENT', 30s)
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_OPTION(Timeout.fileopen, `confTO_FILEOPEN', 60s)
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_OPTION(Timeout.queuereturn, `confTO_QUEUERETURN', 5d)
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_OPTION(Timeout.queuereturn.normal, `confTO_QUEUERETURN_NORMAL', 5d)
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_OPTION(Timeout.queuereturn.urgent, `confTO_QUEUERETURN_URGENT', 2d)
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_OPTION(Timeout.queuereturn.non-urgent, `confTO_QUEUERETURN_NONURGENT', 7d)
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_OPTION(Timeout.queuewarn, `confTO_QUEUEWARN', 4h)
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_OPTION(Timeout.queuewarn.normal, `confTO_QUEUEWARN_NORMAL', 4h)
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_OPTION(Timeout.queuewarn.urgent, `confTO_QUEUEWARN_URGENT', 1h)
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_OPTION(Timeout.queuewarn.non-urgent, `confTO_QUEUEWARN_NONURGENT', 12h)
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_OPTION(Timeout.hoststatus, `confTO_HOSTSTATUS', 30m)
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# should we not prune routes in route-addr syntax addresses?
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_OPTION(DontPruneRoutes, `confDONT_PRUNE_ROUTES')
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# queue up everything before forking?
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_OPTION(SuperSafe, `confSAFE_QUEUE')
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# status file
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O StatusFile=ifdef(`STATUS_FILE', `STATUS_FILE', /etc/sendmail.st)
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# time zone handling:
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# if undefined, use system default
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# if defined but null, use TZ envariable passed in
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# if defined and non-null, use that info
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ifelse(confTIME_ZONE, `USE_SYSTEM', `#O TimeZoneSpec=',
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confTIME_ZONE, `USE_TZ', `O TimeZoneSpec=',
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`O TimeZoneSpec=confTIME_ZONE')
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# default UID (can be username or userid:groupid)
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_OPTION(DefaultUser, `confDEF_USER_ID', nobody)
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# list of locations of user database file (null means no lookup)
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_OPTION(UserDatabaseSpec, `confUSERDB_SPEC', /etc/userdb)
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# fallback MX host
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_OPTION(FallbackMXhost, `confFALLBACK_MX', fall.back.host.net)
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# if we are the best MX host for a site, try it directly instead of config err
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_OPTION(TryNullMXList, `confTRY_NULL_MX_LIST')
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# load average at which we just queue messages
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_OPTION(QueueLA, `confQUEUE_LA', 8)
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# load average at which we refuse connections
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_OPTION(RefuseLA, `confREFUSE_LA', 12)
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# maximum number of children we allow at one time
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_OPTION(MaxDaemonChildren, `confMAX_DAEMON_CHILDREN', 12)
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# maximum number of new connections per second
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_OPTION(ConnectionRateThrottle, `confCONNECTION_RATE_THROTTLE', 3)
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# work recipient factor
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_OPTION(RecipientFactor, `confWORK_RECIPIENT_FACTOR', 30000)
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# deliver each queued job in a separate process?
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_OPTION(ForkEachJob, `confSEPARATE_PROC')
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# work class factor
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_OPTION(ClassFactor, `confWORK_CLASS_FACTOR', 1800)
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# work time factor
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_OPTION(RetryFactor, `confWORK_TIME_FACTOR', 90000)
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# shall we sort the queue by hostname first?
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_OPTION(QueueSortOrder, `confQUEUE_SORT_ORDER', priority)
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# minimum time in queue before retry
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_OPTION(MinQueueAge, `confMIN_QUEUE_AGE', 30m)
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# default character set
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_OPTION(DefaultCharSet, `confDEF_CHAR_SET', iso-8859-1)
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# service switch file (ignored on Solaris, Ultrix, OSF/1, others)
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_OPTION(ServiceSwitchFile, `confSERVICE_SWITCH_FILE', /etc/service.switch)
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# hosts file (normally /etc/hosts)
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_OPTION(HostsFile, `confHOSTS_FILE', /etc/hosts)
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# dialup line delay on connection failure
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_OPTION(DialDelay, `confDIAL_DELAY', 10s)
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# action to take if there are no recipients in the message
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_OPTION(NoRecipientAction, `confNO_RCPT_ACTION', add-to-undisclosed)
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# chrooted environment for writing to files
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_OPTION(SafeFileEnvironment, `confSAFE_FILE_ENV', /arch)
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# are colons OK in addresses?
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_OPTION(ColonOkInAddr, `confCOLON_OK_IN_ADDR')
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# how many jobs can you process in the queue?
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_OPTION(MaxQueueRunSize, `confMAX_QUEUE_RUN_SIZE', 10000)
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# shall I avoid expanding CNAMEs (violates protocols)?
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_OPTION(DontExpandCnames, `confDONT_EXPAND_CNAMES')
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# SMTP initial login message (old $e macro)
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_OPTION(SmtpGreetingMessage, `confSMTP_LOGIN_MSG')
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# UNIX initial From header format (old $l macro)
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_OPTION(UnixFromLine, `confFROM_LINE')
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# delimiter (operator) characters (old $o macro)
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_OPTION(OperatorChars, `confOPERATORS')
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# shall I avoid calling initgroups(3) because of high NIS costs?
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_OPTION(DontInitGroups, `confDONT_INIT_GROUPS')
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# are group-writable `:include:' and .forward files (un)trustworthy?
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_OPTION(UnsafeGroupWrites, `confUNSAFE_GROUP_WRITES')
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# where do errors that occur when sending errors get sent?
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_OPTION(DoubleBounceAddress, `confDOUBLE_BOUNCE_ADDRESS')
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# what user id do we assume for the majority of the processing?
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_OPTION(RunAsUser, `confRUN_AS_USER', sendmail)
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###########################
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# Message precedences #
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###########################
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Pfirst-class=0
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Pspecial-delivery=100
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Plist=-30
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Pbulk=-60
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Pjunk=-100
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#####################
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# Trusted users #
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#####################
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# this is equivalent to setting class "t"
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ifdef(`_USE_CT_FILE_', `', `#')Ft`'ifdef(`confCT_FILE', confCT_FILE, `/etc/sendmail.ct')
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Troot
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Tdaemon
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ifdef(`_NO_UUCP_', `dnl', `Tuucp')
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ifdef(`confTRUSTED_USERS', `T`'confTRUSTED_USERS', `dnl')
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#########################
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# Format of headers #
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#########################
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ifdef(`confFROM_HEADER',, `define(`confFROM_HEADER', `$?x$x <$g>$|$g$.')')dnl
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H?P?Return-Path: <$g>
|
||
HReceived: confRECEIVED_HEADER
|
||
H?D?Resent-Date: $a
|
||
H?D?Date: $a
|
||
H?F?Resent-From: confFROM_HEADER
|
||
H?F?From: confFROM_HEADER
|
||
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@$j>
|
||
ifdef(`_NULL_CLIENT_ONLY_',
|
||
`include(_CF_DIR_`'m4/nullrelay.m4)m4exit',
|
||
`dnl')
|
||
#
|
||
######################################################################
|
||
######################################################################
|
||
#####
|
||
##### REWRITING RULES
|
||
#####
|
||
######################################################################
|
||
######################################################################
|
||
|
||
############################################
|
||
### Ruleset 3 -- Name Canonicalization ###
|
||
############################################
|
||
S3
|
||
|
||
# handle null input (translate to <@> special case)
|
||
R$@ $@ <@>
|
||
|
||
# strip group: syntax (not inside angle brackets!) and trailing semicolon
|
||
R$* $: $1 <@> mark addresses
|
||
R$* < $* > $* <@> $: $1 < $2 > $3 unmark <addr>
|
||
R@ $* <@> $: @ $1 unmark @host:...
|
||
R$* :: $* <@> $: $1 :: $2 unmark node::addr
|
||
R:`include': $* <@> $: :`include': $1 unmark :`include':...
|
||
R$* [ $* : $* ] <@> $: $1 [ $2 : $3 ] unmark IPv6 addrs
|
||
R$* : $* [ $* ] $: $1 : $2 [ $3 ] <@> remark if leading colon
|
||
R$* : $* <@> $: $2 strip colon if marked
|
||
R$* <@> $: $1 unmark
|
||
R$* ; $: $1 strip trailing semi
|
||
|
||
# null input now results from list:; syntax
|
||
R$@ $@ :; <@>
|
||
|
||
# strip angle brackets -- note RFC733 heuristic to get innermost item
|
||
R$* $: < $1 > housekeeping <>
|
||
R$+ < $* > < $2 > strip excess on left
|
||
R< $* > $+ < $1 > strip excess on right
|
||
R<> $@ < @ > MAIL FROM:<> case
|
||
R< $+ > $: $1 remove housekeeping <>
|
||
|
||
# make sure <@a,@b,@c:user@d> syntax is easy to parse -- undone later
|
||
R@ $+ , $+ @ $1 : $2 change all "," to ":"
|
||
|
||
# localize and dispose of route-based addresses
|
||
R@ $+ : $+ $@ $>96 < @$1 > : $2 handle <route-addr>
|
||
|
||
# find focus for list syntax
|
||
R $+ : $* ; @ $+ $@ $>96 $1 : $2 ; < @ $3 > list syntax
|
||
R $+ : $* ; $@ $1 : $2; list syntax
|
||
|
||
# find focus for @ syntax addresses
|
||
R$+ @ $+ $: $1 < @ $2 > focus on domain
|
||
R$+ < $+ @ $+ > $1 $2 < @ $3 > move gaze right
|
||
R$+ < @ $+ > $@ $>96 $1 < @ $2 > already canonical
|
||
|
||
# do some sanity checking
|
||
R$* < @ $* : $* > $* $1 < @ $2 $3 > $4 nix colons in addrs
|
||
|
||
ifdef(`_NO_UUCP_', `dnl',
|
||
`# convert old-style addresses to a domain-based address
|
||
R$- ! $+ $@ $>96 $2 < @ $1 .UUCP > resolve uucp names
|
||
R$+ . $- ! $+ $@ $>96 $3 < @ $1 . $2 > domain uucps
|
||
R$+ ! $+ $@ $>96 $2 < @ $1 .UUCP > uucp subdomains
|
||
')
|
||
ifdef(`_USE_DECNET_SYNTAX_',
|
||
`# convert node::user addresses into a domain-based address
|
||
R$- :: $+ $@ $>96 $2 < @ $1 .DECNET > resolve DECnet names
|
||
R$- . $- :: $+ $@ $>96 $3 < @ $1.$2 .DECNET > numeric DECnet addr
|
||
',
|
||
`dnl')
|
||
# if we have % signs, take the rightmost one
|
||
R$* % $* $1 @ $2 First make them all @s.
|
||
R$* @ $* @ $* $1 % $2 @ $3 Undo all but the last.
|
||
R$* @ $* $@ $>96 $1 < @ $2 > Insert < > and finish
|
||
|
||
# else we must be a local name
|
||
R$* $@ $>96 $1
|
||
|
||
|
||
################################################
|
||
### Ruleset 96 -- bottom half of ruleset 3 ###
|
||
################################################
|
||
|
||
S96
|
||
|
||
# handle special cases for local names
|
||
R$* < @ localhost > $* $: $1 < @ $j . > $2 no domain at all
|
||
R$* < @ localhost . $m > $* $: $1 < @ $j . > $2 local domain
|
||
ifdef(`_NO_UUCP_', `dnl',
|
||
`R$* < @ localhost . UUCP > $* $: $1 < @ $j . > $2 .UUCP domain')
|
||
R$* < @ [ $+ ] > $* $: $1 < @@ [ $2 ] > $3 mark [a.b.c.d]
|
||
R$* < @@ $=w > $* $: $1 < @ $j . > $3 self-literal
|
||
R$* < @@ $+ > $* $@ $1 < @ $2 > $3 canon IP addr
|
||
|
||
# look up domains in the domain table
|
||
ifdef(`DOMAIN_TABLE', `', `#')dnl
|
||
R$* < @ $+ > $* $: $1 < @ $(domaintable $2 $) > $3
|
||
|
||
undivert(2)dnl
|
||
|
||
ifdef(`_NO_UUCP_', `dnl',
|
||
`ifdef(`UUCP_RELAY',
|
||
`# pass UUCP addresses straight through
|
||
R$* < @ $+ . UUCP > $* $@ $1 < @ $2 . UUCP . > $3',
|
||
`# if really UUCP, handle it immediately
|
||
ifdef(`_CLASS_U_',
|
||
`R$* < @ $=U . UUCP > $* $@ $1 < @ $2 . UUCP . > $3', `dnl')
|
||
ifdef(`_CLASS_V_',
|
||
`R$* < @ $=V . UUCP > $* $@ $1 < @ $2 . UUCP . > $3', `dnl')
|
||
ifdef(`_CLASS_W_',
|
||
`R$* < @ $=W . UUCP > $* $@ $1 < @ $2 . UUCP . > $3', `dnl')
|
||
ifdef(`_CLASS_X_',
|
||
`R$* < @ $=X . UUCP > $* $@ $1 < @ $2 . UUCP . > $3', `dnl')
|
||
ifdef(`_CLASS_Y_',
|
||
`R$* < @ $=Y . UUCP > $* $@ $1 < @ $2 . UUCP . > $3', `dnl')
|
||
|
||
# try UUCP traffic as a local address
|
||
R$* < @ $+ . UUCP > $* $: $1 < @ $[ $2 $] . UUCP . > $3
|
||
R$* < @ $+ . . UUCP . > $* $@ $1 < @ $2 . > $3')
|
||
')
|
||
# pass to name server to make hostname canonical
|
||
ifdef(`_NO_CANONIFY_', `#')dnl
|
||
R$* < @ $* $~P > $* $: $1 < @ $[ $2 $3 $] > $4
|
||
|
||
# local host aliases and pseudo-domains are always canonical
|
||
R$* < @ $=w > $* $: $1 < @ $2 . > $3
|
||
R$* < @ $j > $* $: $1 < @ $j . > $2
|
||
R$* < @ $* $=M > $* $: $1 < @ $2 $3 . > $4
|
||
R$* < @ $* $=P > $* $: $1 < @ $2 $3 . > $4
|
||
R$* < @ $* . . > $* $1 < @ $2 . > $3
|
||
|
||
|
||
##################################################
|
||
### Ruleset 4 -- Final Output Post-rewriting ###
|
||
##################################################
|
||
S4
|
||
|
||
R$* <@> $@ handle <> and list:;
|
||
|
||
# strip trailing dot off possibly canonical name
|
||
R$* < @ $+ . > $* $1 < @ $2 > $3
|
||
|
||
# eliminate internal code -- should never get this far!
|
||
R$* < @ *LOCAL* > $* $1 < @ $j > $2
|
||
|
||
# externalize local domain info
|
||
R$* < $+ > $* $1 $2 $3 defocus
|
||
R@ $+ : @ $+ : $+ @ $1 , @ $2 : $3 <route-addr> canonical
|
||
R@ $* $@ @ $1 ... and exit
|
||
|
||
ifdef(`_NO_UUCP_', `dnl',
|
||
`# UUCP must always be presented in old form
|
||
R$+ @ $- . UUCP $2!$1 u@h.UUCP => h!u')
|
||
|
||
ifdef(`_USE_DECNET_SYNTAX_',
|
||
`# put DECnet back in :: form
|
||
R$+ @ $+ . DECNET $2 :: $1 u@h.DECNET => h::u',
|
||
`dnl')
|
||
# delete duplicate local names
|
||
R$+ % $=w @ $=w $1 @ $2 u%host@host => u@host
|
||
|
||
|
||
|
||
##############################################################
|
||
### Ruleset 97 -- recanonicalize and call ruleset zero ###
|
||
### (used for recursive calls) ###
|
||
##############################################################
|
||
|
||
S`'97
|
||
R$* $: $>3 $1
|
||
R$* $@ $>0 $1
|
||
|
||
|
||
######################################
|
||
### Ruleset 0 -- Parse Address ###
|
||
######################################
|
||
|
||
S0
|
||
|
||
R<@> $#_LOCAL_ $: <@> special case error msgs
|
||
R$* : $* ; <@> $#error $@ 5.1.3 $: "list:; syntax illegal for recipient addresses"
|
||
R<@ $+> $#error $@ 5.1.1 $: "user address required"
|
||
R$* $: <> $1
|
||
R<> $* < @ [ $+ ] > $* $1 < @ [ $2 ] > $3
|
||
R<> $* <$* : $* > $* $#error $@ 5.1.1 $: "colon illegal in host name part"
|
||
R<> $* $1
|
||
R$* < @ . $* > $* $#error $@ 5.1.2 $: "invalid host name"
|
||
|
||
ifdef(`_MAILER_smtp_',
|
||
`# handle numeric address spec
|
||
R$* < @ [ $+ ] > $* $: $>98 $1 < @ [ $2 ] > $3 numeric internet spec
|
||
R$* < @ [ $+ ] > $* $#_SMTP_ $@ [$2] $: $1 < @ [$2] > $3 still numeric: send',
|
||
`dnl')
|
||
|
||
# now delete the local info -- note $=O to find characters that cause forwarding
|
||
R$* < @ > $* $@ $>97 $1 user@ => user
|
||
R< @ $=w . > : $* $@ $>97 $2 @here:... -> ...
|
||
R$- < @ $=w . > $: $(dequote $1 $) < @ $2 . > dequote "foo"@here
|
||
R< @ $+ > $#error $@ 5.1.1 $: "user address required"
|
||
R$* $=O $* < @ $=w . > $@ $>97 $1 $2 $3 ...@here -> ...
|
||
|
||
# handle local hacks
|
||
R$* $: $>98 $1
|
||
|
||
# handle virtual users
|
||
define(`X', ifdef(`VIRTUSER_TABLE', `', `#'))dnl
|
||
X`'R$+ < @ $=w . > $: < $(virtuser $1 @ $2 $@ $1 $: @ $) > $1 < @ $2 . >
|
||
X`'R< @ > $+ < @ $+ . > $: < $(virtuser @ $2 $@ $1 $: @ $) > $1 < @ $2 . >
|
||
X`'R< @ > $+ $: $1
|
||
X`'R< error : $- $+ > $* $#error $@ $1 $: $2
|
||
X`'R< $+ > $+ < @ $+ > $: $>97 $1
|
||
undefine(`X')dnl
|
||
|
||
# short circuit local delivery so forwarded email works
|
||
ifdef(`_MAILER_usenet_', `', `#')dnl
|
||
R$+ . USENET < @ $=w . > $#usenet $: $1 handle usenet specially
|
||
ifdef(`_STICKY_LOCAL_DOMAIN_',
|
||
`R$+ < @ $=w . > $: < $H > $1 < @ $2 . > first try hub
|
||
R< $+ > $+ < $+ > $>95 < $1 > $2 < $3 > yep ....
|
||
R< > $+ + $* < $+ > $#_LOCAL_ $: $1 + $2 plussed name?
|
||
R< > $+ < $+ > $#_LOCAL_ $: @ $1 nope, local address',
|
||
`R$=L < @ $=w . > $#_LOCAL_ $: @ $1 special local names
|
||
R$+ < @ $=w . > $#_LOCAL_ $: $1 regular local name')
|
||
|
||
define(`X', ifdef(`MAILER_TABLE', `', `#'))dnl
|
||
# not local -- try mailer table lookup
|
||
X`'R$* <@ $+ > $* $: < $2 > $1 < @ $2 > $3 extract host name
|
||
X`'R< $+ . > $* $: < $1 > $2 strip trailing dot
|
||
X`'R< $+ > $* $: < $(mailertable $1 $) > $2 lookup
|
||
X`'R< $~[ : $+ > $* $>95 < $1 : $2 > $3 check -- resolved?
|
||
X`'R< $+ > $* $: $>90 <$1> $2 try domain
|
||
undefine(`X')dnl
|
||
undivert(4)dnl
|
||
|
||
ifdef(`_NO_UUCP_', `dnl',
|
||
`# resolve remotely connected UUCP links (if any)
|
||
ifdef(`_CLASS_V_',
|
||
`R$* < @ $=V . UUCP . > $* $: $>95 < $V > $1 <@$2.UUCP.> $3',
|
||
`dnl')
|
||
ifdef(`_CLASS_W_',
|
||
`R$* < @ $=W . UUCP . > $* $: $>95 < $W > $1 <@$2.UUCP.> $3',
|
||
`dnl')
|
||
ifdef(`_CLASS_X_',
|
||
`R$* < @ $=X . UUCP . > $* $: $>95 < $X > $1 <@$2.UUCP.> $3',
|
||
`dnl')')
|
||
|
||
# resolve fake top level domains by forwarding to other hosts
|
||
ifdef(`BITNET_RELAY',
|
||
`R$*<@$+.BITNET.>$* $: $>95 < $B > $1 <@$2.BITNET.> $3 user@host.BITNET',
|
||
`dnl')
|
||
ifdef(`DECNET_RELAY',
|
||
`R$*<@$+.DECNET.>$* $: $>95 < $C > $1 <@$2.DECNET.> $3 user@host.DECNET',
|
||
`dnl')
|
||
ifdef(`_MAILER_pop_',
|
||
`R$+ < @ POP. > $#pop $: $1 user@POP',
|
||
`dnl')
|
||
ifdef(`_MAILER_fax_',
|
||
`R$+ < @ $+ .FAX. > $#fax $@ $2 $: $1 user@host.FAX',
|
||
`ifdef(`FAX_RELAY',
|
||
`R$*<@$+.FAX.>$* $: $>95 < $F > $1 <@$2.FAX.> $3 user@host.FAX',
|
||
`dnl')')
|
||
|
||
ifdef(`UUCP_RELAY',
|
||
`# forward non-local UUCP traffic to our UUCP relay
|
||
R$*<@$*.UUCP.>$* $: $>95 < $Y > $1 <@$2.UUCP.> $3 uucp mail',
|
||
`ifdef(`_MAILER_uucp_',
|
||
`# forward other UUCP traffic straight to UUCP
|
||
R$* < @ $+ .UUCP. > $* $#_UUCP_ $@ $2 $: $1 < @ $2 .UUCP. > $3 user@host.UUCP',
|
||
`dnl')')
|
||
ifdef(`_MAILER_usenet_', `
|
||
# addresses sent to net.group.USENET will get forwarded to a newsgroup
|
||
R$+ . USENET $#usenet $: $1',
|
||
`dnl')
|
||
|
||
ifdef(`_LOCAL_RULES_',
|
||
`# figure out what should stay in our local mail system
|
||
undivert(1)', `dnl')
|
||
|
||
# pass names that still have a host to a smarthost (if defined)
|
||
R$* < @ $* > $* $: $>95 < $S > $1 < @ $2 > $3 glue on smarthost name
|
||
|
||
# deal with other remote names
|
||
ifdef(`_MAILER_smtp_',
|
||
`R$* < @$* > $* $#_SMTP_ $@ $2 $: $1 < @ $2 > $3 user@host.domain',
|
||
`R$* < @$* > $* $#error $@ 5.1.2 $: Unrecognized host name $2')
|
||
|
||
# if this is quoted, strip the quotes and try again
|
||
R$+ $: $(dequote $1 $) strip quotes
|
||
R$+ $=O $+ $@ $>97 $1 $2 $3 try again
|
||
|
||
# handle locally delivered names
|
||
R$=L $#_LOCAL_ $: @ $1 special local names
|
||
R$+ $#_LOCAL_ $: $1 regular local names
|
||
|
||
###########################################################################
|
||
### Ruleset 5 -- special rewriting after aliases have been expanded ###
|
||
###########################################################################
|
||
|
||
S5
|
||
|
||
# deal with plussed users so aliases work nicely
|
||
R$+ + * $#_LOCAL_ $@ $&h $: $1
|
||
R$+ + $* $#_LOCAL_ $@ $2 $: $1 + *
|
||
|
||
# prepend an empty "forward host" on the front
|
||
R$+ $: <> $1
|
||
|
||
define(`X', ifdef(`LUSER_RELAY', `', `#'))dnl
|
||
# send unrecognized local users to a relay host
|
||
X`'R< > $+ + $* $: < $L . > $( user $1 $) + $2
|
||
X`'R< > $+ $: < $L . > $( user $1 $) look up user
|
||
X`'R< $* > $+ <> $* $: < > $2 $3 found; strip $L
|
||
X`'R< $* . > $+ $: < $1 > $2 strip extra dot
|
||
undefine(`X')dnl
|
||
|
||
# handle plussed local names
|
||
R< > $+ + $* $#_LOCAL_ $@ $2 $: $1
|
||
|
||
# see if we have a relay or a hub
|
||
R< > $+ $: < $H > $1 try hub
|
||
R< > $+ $: < $R > $1 try relay
|
||
R< > $+ $@ $1 nope, give up
|
||
R< $- : $+ > $+ $: $>95 < $1 : $2 > $3 < @ $2 >
|
||
R< $+ > $+ $@ $>95 < $1 > $2 < @ $1 >
|
||
|
||
###################################################################
|
||
### Ruleset 90 -- try domain part of mailertable entry ###
|
||
###################################################################
|
||
|
||
define(`X', ifdef(`MAILER_TABLE', `', `#'))dnl
|
||
S90
|
||
X`'R$* <$- . $+ > $* $: $1$2 < $(mailertable .$3 $@ $1$2 $@ $2 $) > $4
|
||
X`'R$* <$~[ : $+ > $* $>95 < $2 : $3 > $4 check -- resolved?
|
||
X`'R$* < . $+ > $* $@ $>90 $1 . <$2> $3 no -- strip & try again
|
||
X`'R$* < $* > $* $: < $(mailertable . $@ $1$2 $) > $3 try "."
|
||
X`'R< $~[ : $+ > $* $>95 < $1 : $2 > $3 "." found?
|
||
X`'R< $* > $* $@ $2 no mailertable match
|
||
undefine(`X')dnl
|
||
|
||
###################################################################
|
||
### Ruleset 95 -- canonify mailer:[user@]host syntax to triple ###
|
||
###################################################################
|
||
|
||
S95
|
||
R< > $* $@ $1 strip off null relay
|
||
R< error : $- $+ > $* $#error $@ $1 $: $2 special case errors
|
||
R< local : > $* < @ $* > $#local $@ $1@$2 $: $1 no host: use old user
|
||
R< local : $+ > $* <@ $* . > $* $#local $@ $2@$3 $: $1 special case local
|
||
R< $- : $+ @ $+ > $*<$*>$* $# $1 $@ $3 $: $2<@$3> use literal user
|
||
R< $- : $+ > $* $# $1 $@ $2 $: $3 try qualified mailer
|
||
R< $=w > $* $@ $2 delete local host
|
||
R< $+ > $* $#_RELAY_ $@ $1 $: $2 use unqualified mailer
|
||
|
||
###################################################################
|
||
### Ruleset 93 -- convert header names to masqueraded form ###
|
||
###################################################################
|
||
|
||
S93
|
||
|
||
# handle generics database
|
||
define(`X', ifdef(`GENERICS_TABLE', `', `#'))dnl
|
||
X`'R$+ < @ $=G . > $: < $1@$2 > $1 < @ $2 . > @ mark
|
||
X`'R$+ < @ *LOCAL* > $: < $1@$j > $1 < @ *LOCAL* > @ mark
|
||
X`'R< $+ > $+ < $* > @ $: < $(generics $1 $: $) > $2 < $3 >
|
||
X`'R< > $+ < @ $+ > $: < $(generics $1 $: $) > $1 < @ $2 >
|
||
X`'R< $* @ $* > $* < $* > $@ $>3 $1 @ $2 found qualified
|
||
X`'R< $+ > $* < $* > $: $>3 $1 @ *LOCAL* found unqualified
|
||
X`'R< > $* $: $1 not found
|
||
undefine(`X')dnl
|
||
|
||
# special case the users that should be exposed
|
||
R$=E < @ *LOCAL* > $@ $1 < @ $j . > leave exposed
|
||
ifdef(`_MASQUERADE_ENTIRE_DOMAIN_',
|
||
`R$=E < @ $* $=M . > $@ $1 < @ $2 $3 . >',
|
||
`R$=E < @ $=M . > $@ $1 < @ $2 . >')
|
||
ifdef(`_LIMITED_MASQUERADE_', `#')dnl
|
||
R$=E < @ $=w . > $@ $1 < @ $2 . >
|
||
|
||
# handle domain-specific masquerading
|
||
ifdef(`_MASQUERADE_ENTIRE_DOMAIN_',
|
||
`R$* < @ $* $=M . > $* $: $1 < @ $2 $3 . @ $M > $4 convert masqueraded doms',
|
||
`R$* < @ $=M . > $* $: $1 < @ $2 . @ $M > $3 convert masqueraded doms')
|
||
ifdef(`_LIMITED_MASQUERADE_', `#')dnl
|
||
R$* < @ $=w . > $* $: $1 < @ $2 . @ $M > $3
|
||
R$* < @ *LOCAL* > $* $: $1 < @ $j . @ $M > $2
|
||
R$* < @ $+ @ > $* $: $1 < @ $2 > $3 $M is null
|
||
R$* < @ $+ @ $+ > $* $: $1 < @ $3 . > $4 $M is not null
|
||
|
||
###################################################################
|
||
### Ruleset 94 -- convert envelope names to masqueraded form ###
|
||
###################################################################
|
||
|
||
S94
|
||
ifdef(`_MASQUERADE_ENVELOPE_', `', `#')dnl
|
||
R$+ $@ $>93 $1
|
||
ifdef(`_MASQUERADE_ENVELOPE_', `#', `')dnl
|
||
R$* < @ *LOCAL* > $* $: $1 < @ $j . > $2
|
||
|
||
###################################################################
|
||
### Ruleset 98 -- local part of ruleset zero (can be null) ###
|
||
###################################################################
|
||
|
||
S98
|
||
undivert(3)dnl
|
||
undivert(9)dnl
|
||
#
|
||
######################################################################
|
||
######################################################################
|
||
#####
|
||
`##### MAILER DEFINITIONS'
|
||
#####
|
||
######################################################################
|
||
######################################################################
|
||
undivert(7)dnl
|