#
divert(0)
-VERSIONID(`@(#)proto.m4 8.1 (Berkeley) %G%')
+VERSIONID(`@(#)proto.m4 8.13 (Berkeley) %G%')
MAILER(local)dnl
ifdef(`_OLD_SENDMAIL_',
-`define(`_SET_96_', 6)dnl
-define(`_SET_97_', 7)dnl',
+`define(`_SET_95_', 5)dnl
+define(`_SET_96_', 6)dnl
+define(`_SET_97_', 7)dnl
+define(`_SET_98_', 8)dnl',
`# level 4 config file format
V4
+define(`_SET_95_', 95)dnl
define(`_SET_96_', 96)dnl
-define(`_SET_97_', 97)dnl')
+define(`_SET_97_', 97)dnl
+define(`_SET_98_', 98)dnl')
+ifdef(`confSMTP_MAILER',, `define(`confSMTP_MAILER', `smtp')')dnl
+ifdef(`confLOCAL_MAILER',, `define(`confLOCAL_MAILER', `local')')dnl
+ifdef(`confRELAY_MAILER',,
+ `define(`confRELAY_MAILER',
+ `ifdef(`_MAILER_smtp_', `relay',
+ `ifdef(`_MAILER_uucp', `suucp', `unknown')')')')dnl
+define(`_SMTP_', `confSMTP_MAILER')dnl for readability only
+define(`_LOCAL_', `confLOCAL_MAILER')dnl for readability only
+define(`_RELAY_', `confRELAY_MAILER')dnl for readability only
##################
# local info #
Cwlocalhost
ifdef(`USE_CW_FILE',
`# file containing names of hosts for which we receive email
-CONCAT(`Fw', confCW_FILE)', `dnl')
+Fw`'confCW_FILE',
+ `dnl')
ifdef(`UUCP_RELAY',
`# UUCP relay host
-CONCAT(DY, UUCP_RELAY)
+DY`'UUCP_RELAY
CPUUCP
')dnl
ifdef(`BITNET_RELAY',
`# BITNET relay host
-CONCAT(DB, BITNET_RELAY)
+DB`'BITNET_RELAY
CPBITNET
')dnl
ifdef(`CSNET_RELAY',
`# CSNET relay host
-CONCAT(DC, CSNET_RELAY)
+DC`'CSNET_RELAY
CPCSNET
')dnl
ifdef(`FAX_RELAY',
`# FAX relay host
-CONCAT(DF, FAX_RELAY)
+DF`'FAX_RELAY
CPFAX
')dnl
ifdef(`SMART_HOST',
`# "Smart" UUCP relay host
-CONCAT(DS, SMART_HOST)
+DS`'SMART_HOST
')dnl
ifdef(`MAILER_TABLE',
`# Mailer table (overriding domains)
Kmailertable MAILER_TABLE
+')dnl
+ifdef(`DOMAIN_TABLE',
+`# Domain table (adding domains)
+Kdomaintable DOMAIN_TABLE
+
')dnl
# who I send unqualified names to (null means deliver locally)
-CONCAT(DR, ifdef(`LOCAL_RELAY', LOCAL_RELAY))
+DR`'ifdef(`LOCAL_RELAY', LOCAL_RELAY)
# who gets all local email traffic ($R has precedence for unqualified names)
-CONCAT(DH, ifdef(`MAIL_HUB', MAIL_HUB))
+DH`'ifdef(`MAIL_HUB', MAIL_HUB)
# my official hostname ($w or $w.$D)
-CONCAT(Dj$w, ifdef(`NEED_DOMAIN', .$D))
+Dj$w`'ifdef(`NEED_DOMAIN', .$D)
# who I masquerade as (can be $j)
-CONCAT(DM, ifdef(`MASQUERADE_NAME', MASQUERADE_NAME, $j))
+DM`'ifdef(`MASQUERADE_NAME', MASQUERADE_NAME, $j)
# class L: names that should be delivered locally, even if we have a relay
# class E: names that should be exposed as from this host, even if we masquerade
######################
# SMTP initial login message
-CONCAT(De, confSMTP_LOGIN_MSG)
+De`'confSMTP_LOGIN_MSG
# UNIX initial From header format
-CONCAT(Dl, confFROM_LINE)
+Dl`'confFROM_LINE
# my name for error messages
-CONCAT(Dn, confMAILER_NAME)
+Dn`'confMAILER_NAME
# delimiter (operator) characters
-CONCAT(Do, confOPERATORS)
+Do`'confOPERATORS
# format of a total name
-CONCAT(Dq, ifdef(`confFROM_HEADER', confFROM_HEADER,
- ifdef(`_OLD_SENDMAIL_', `$g$?x ($x)$.', `$?x$x <$g>$|$g$.')))
+Dq`'ifdef(`confFROM_HEADER', confFROM_HEADER,
+ ifdef(`_OLD_SENDMAIL_', `$g$?x ($x)$.', `$?x$x <$g>$|$g$.'))
include(`../m4/version.m4')
###############
###############
# strip message body to 7 bits on input?
-CONCAT(O7, confSEVEN_BIT_INPUT)
+O7`'confSEVEN_BIT_INPUT
# wait (in minutes) for alias file rebuild
-CONCAT(Oa, confALIAS_WAIT)
+Oa`'confALIAS_WAIT
# location of alias file
-CONCAT(OA, ifdef(`ALIAS_FILE', ALIAS_FILE, /etc/aliases))
+OA`'ifdef(`ALIAS_FILE', ALIAS_FILE, /etc/aliases)
# minimum number of free blocks on filesystem
-CONCAT(Ob, confMIN_FREE_BLOCKS)
+Ob`'confMIN_FREE_BLOCKS
# substitution for space (blank) characters
-CONCAT(OB, confBLANK_SUB)
+OB`'confBLANK_SUB
# connect to "expensive" mailers on initial submission?
-CONCAT(Oc, confCON_EXPENSIVE)
+Oc`'confCON_EXPENSIVE
# checkpoint queue runs after every N successful deliveries
-CONCAT(OC, confCHECKPOINT_INTERVAL)
+OC`'confCHECKPOINT_INTERVAL
# default delivery mode
-CONCAT(Od, confDELIVERY_MODE)
+Od`'confDELIVERY_MODE
# automatically rebuild the alias database?
-CONCAT(OD, confAUTO_REBUILD)
+OD`'confAUTO_REBUILD
-# error message header/file */
+# error message header/file
ifdef(`confERROR_MESSAGE',
- CONCAT(OE, confERROR_MESSAGE),
+ OE`'confERROR_MESSAGE,
#OE/etc/sendmail.oE)
# error mode
ifdef(`confERROR_MODE',
- CONCAT(Oe, confERROR_MODE),
+ Oe`'confERROR_MODE,
#Oep)
# save Unix-style "From_" lines at top of header?
-CONCAT(Of, confSAVE_FROM_LINES)
+Of`'confSAVE_FROM_LINES
# temporary file mode
-CONCAT(OF, confTEMP_FILE_MODE)
+OF`'confTEMP_FILE_MODE
# match recipients against GECOS field?
-CONCAT(OG, confMATCH_GECOS)
+OG`'confMATCH_GECOS
# default GID
-CONCAT(Og, confDEF_GROUP_ID)
+Og`'confDEF_GROUP_ID
# maximum hop count
-CONCAT(Oh, confMAX_HOP)
+Oh`'confMAX_HOP
# location of help file
-CONCAT(OH, ifdef(`HELP_FILE', HELP_FILE, /usr/lib/sendmail.hf))
+OH`'ifdef(`HELP_FILE', HELP_FILE, /usr/lib/sendmail.hf)
# ignore dots as terminators in incoming messages?
-CONCAT(Oi, confIGNORE_DOTS)
+Oi`'confIGNORE_DOTS
# Insist that the BIND name server be running to resolve names
ifdef(`confBIND_OPTS',
- CONCAT(OI, confBIND_OPTS),
+ OI`'confBIND_OPTS,
#OI)
# deliver MIME-encapsulated error messages?
-CONCAT(Oj, confMIME_FORMAT_ERRORS)
+Oj`'confMIME_FORMAT_ERRORS
# Forward file search path
ifdef(`confFORWARD_PATH',
- CONCAT(OJ, confFORWARD_PATH),
+ OJ`'confFORWARD_PATH,
#OJ/var/forward/$u:$z/.forward.$w:$z/.forward)
# open connection cache size
-CONCAT(Ok, confMCI_CACHE_SIZE)
+Ok`'confMCI_CACHE_SIZE
# open connection cache timeout
-CONCAT(OK, confMCI_CACHE_TIMEOUT)
+OK`'confMCI_CACHE_TIMEOUT
# use Errors-To: header?
-CONCAT(Ol, confUSE_ERRORS_TO)
+Ol`'confUSE_ERRORS_TO
# log level
-CONCAT(OL, confLOG_LEVEL)
+OL`'confLOG_LEVEL
# send to me too, even in an alias expansion?
-CONCAT(Om, confME_TOO)
+Om`'confME_TOO
# verify RHS in newaliases?
-CONCAT(On, confCHECK_ALIASES)
+On`'confCHECK_ALIASES
# default messages to old style headers if no special punctuation?
-CONCAT(Oo, confOLD_STYLE_HEADERS)
+Oo`'confOLD_STYLE_HEADERS
# SMTP daemon options
ifdef(`confDAEMON_OPTIONS',
- CONCAT(OO, confDAEMON_OPTIONS),
+ OO`'confDAEMON_OPTIONS,
#OOPort=esmtp)
# privacy flags
-CONCAT(Op, confPRIVACY_FLAGS)
+Op`'confPRIVACY_FLAGS
# who (if anyone) should get extra copies of error messages
ifdef(`confCOPY_ERRORS_TO',
- CONCAT(OP, confCOPY_ERRORS_TO),
+ OP`'confCOPY_ERRORS_TO,
#OPPostmaster)
# slope of queue-only function
ifdef(`confQUEUE_FACTOR',
- CONCAT(Oq, confQUEUE_FACTOR),
+ Oq`'confQUEUE_FACTOR,
#Oq600000)
# queue directory
-CONCAT(OQ, ifdef(`QUEUE_DIR', QUEUE_DIR, /var/spool/mqueue))
+OQ`'ifdef(`QUEUE_DIR', QUEUE_DIR, /var/spool/mqueue)
# read timeout -- now OK per RFC 1123 section 5.3.2
ifdef(`confREAD_TIMEOUT',
- CONCAT(Or, confREAD_TIMEOUT),
+ Or`'confREAD_TIMEOUT,
#Ordatablock=10m)
# queue up everything before forking?
-CONCAT(Os, confSAFE_QUEUE)
+Os`'confSAFE_QUEUE
# status file
-CONCAT(OS, ifdef(`STATUS_FILE', STATUS_FILE, /etc/sendmail.st))
+OS`'ifdef(`STATUS_FILE', STATUS_FILE, /etc/sendmail.st)
# default message timeout interval
-CONCAT(OT, confMESSAGE_TIMEOUT)
+OT`'confMESSAGE_TIMEOUT
# time zone handling:
# if undefined, use system default
# if defined and non-null, use that info
ifelse(confTIME_ZONE, `USE_SYSTEM', `#Ot',
confTIME_ZONE, `USE_TZ', `',
- `CONCAT(Ot, confTIME_ZONE)')
+ `Ot`'confTIME_ZONE')
# default UID
-CONCAT(Ou, confDEF_USER_ID)
+Ou`'confDEF_USER_ID
# list of locations of user database file (null means no lookup)
OU`'ifdef(`confUSERDB_SPEC', `confUSERDB_SPEC')
# fallback MX host
ifdef(`confFALLBACK_MX',
- CONCAT(OV, confFALLBACK_MX),
+ OV`'confFALLBACK_MX,
#OVfall.back.host.net)
+# if we are the best MX host for a site, try it directly instead of config err
+Ow`'confTRY_NULL_MX_LIST
+
# load average at which we just queue messages
-CONCAT(Ox, confQUEUE_LA)
+Ox`'confQUEUE_LA
# load average at which we refuse connections
-CONCAT(OX, confREFUSE_LA)
+OX`'confREFUSE_LA
# work recipient factor
ifdef(`confWORK_RECIPIENT_FACTOR',
- CONCAT(Oy, confWORK_RECIPIENT_FACTOR),
+ Oy`'confWORK_RECIPIENT_FACTOR,
#Oy30000)
# deliver each queued job in a separate process?
-CONCAT(OY, confSEPARATE_PROC)
+OY`'confSEPARATE_PROC
# work class factor
ifdef(`confWORK_CLASS_FACTOR',
- CONCAT(Oz, confWORK_CLASS_FACTOR),
+ Oz`'confWORK_CLASS_FACTOR,
#Oz1800)
# work time factor
ifdef(`confWORK_TIME_FACTOR',
- CONCAT(OZ, confWORK_TIME_FACTOR),
+ OZ`'confWORK_TIME_FACTOR,
#OZ90000)
###########################
#########################
H?P?Return-Path: $g
-HReceived: $?sfrom $s $.$?_($_) $.by $j ($v/$Z)$?r with $r$. id $i; $b
+HReceived: $?sfrom $s $.$?_($_) $.by $j ($v/$Z)$?r with $r$. id $i$?u for $u$.; $b
H?D?Resent-Date: $a
H?D?Date: $a
H?F?Resent-From: $q
R$*:;$* $@ $1 :; <@>
# basic textual canonicalization -- note RFC733 heuristic here
-R$*<$*>$*<$*>$* <$2>$3$4$5 strip multiple <> <>
+R$*<$*>$*<$*>$* $2$3<$4>$5 strip multiple <> <>
R$*<$*<$+>$*>$* <$3>$5 2-level <> nesting
R$*<>$* $@ <@> MAIL FROM:<> case
R$*<$+>$* $2 basic RFC821/822 parsing
R$* < @ localhost . $m > $* $: $1 < @ $j . > $2 local domain
ifdef(`_NO_UUCP_', `dnl',
`R$* < @ localhost . UUCP > $* $: $1 < @ $j . > $2 .UUCP domain')
+ifdef(`DOMAIN_TABLE', `
+# look up unqualified domains in the domain table
+R$* < @ $- > $* $: $1 < @ $(domaintable $2 $) > $3',
+`dnl')
undivert(2)dnl
ifdef(`_NO_UUCP_', `dnl',
S0
-R<@> $#local $: <> special case error msgs
+R<@> $#_LOCAL_ $: <> special case error msgs
R$*:;<@> $#error $@ USAGE $: "list:; syntax illegal for recipient addresses"
ifdef(`_MAILER_smtp_',
`# handle numeric address spec
-R$* < @ [ $+ ] > $* $: $1 < @ $[ [$2] $] > $3 numeric internet addr
-R$* < @ [ $+ ] > $* $#smtp $@ [$2] $: $1 @ [$2] $3 numeric internet spec',
-`dnl')
+ifdef(`_NO_CANONIFY_', `dnl',
+`R$* < @ [ $+ ] > $* $: $1 < @ $[ [$2] $] > $3 numeric internet addr')
+R$* < @ [ $+ ] > $* $: $>_SET_98_ $1 < @ [ $2 ] > $3 numeric internet spec
+R$* < @ [ $+ ] > $* $#_SMTP_ $@ [$2] $: $1 @ [$2] $3 still numeric: send',
+ `dnl')
# now delete the local info -- note $=O to find characters that cause forwarding
R$* < @ > $* $@ $>_SET_97_ $1 user@ => user
R< @ $=w . > : $* $@ $>_SET_97_ $2 @here:... -> ...
R$* $=O $* < @ $=w . > $@ $>_SET_97_ $1 $2 $3 ...@here -> ...
+
+# handle local hacks
+R$* $: $>_SET_98_ $1
ifdef(`MAILER_TABLE',
`
# try mailer table lookup
# short circuit local delivery so forwarded email works
ifdef(`_LOCAL_NOT_STICKY_',
-`R$=L < @ $=w . > $#local $: @ $1 special local names
-R$+ < @ $=w . > $#local $: $1 dispose directly',
+`R$=L < @ $=w . > $#_LOCAL_ $: @ $1 special local names
+R$+ < @ $=w . > $#_LOCAL_ $: $1 dispose directly',
`R$+ < @ $=w . > $: $1 < @ $2 @ $H > first try hub
ifdef(`_OLD_SENDMAIL_',
`R$+ < $+ @ $-:$+ > $# $3 $@ $4 $: $1 $2 yep ....
R$+ < $+ @ $+ > $#relay $@ $3 $: $1 $2 yep ....
-R$+ < $+ @ > $#local $: $1 nope, local address',
-`R$+ < $+ @ $+ > $#local $: $1 yep ....
-R$+ < $+ @ > $#local $: @ $1 nope, local address')')
-undivert(3)dnl
+R$+ < $+ @ > $#_LOCAL_ $: $1 nope, local address',
+`R$+ < $+ @ $+ > $#_LOCAL_ $: $1 yep ....
+R$+ < $+ @ > $#_LOCAL_ $: @ $1 nope, local address')')
undivert(4)dnl
ifdef(`_NO_UUCP_', `dnl',
`R$*<@$+.CSNET>$* $#smtp $@ $C $: $1 @ $2 . CSNET $3 user@host.CSNET',
`dnl')
ifdef(`_MAILER_fax_',
-`R$+ < @ $+ .FAX > $#fax $@ $2 $: $1 user@host.FAX',
+`R$+ < @ $+ .FAX > $#fax $@ $2 $: $1 user@host.FAX',
`ifdef(`FAX_RELAY',
`R$*<@$+.FAX>$* $#smtp $@ $F $: $1 @ $2 . FAX $3 user@host.FAX',
`dnl')')
R$*<@$*.UUCP>$* $#smtp $@ $Y $: @ $Y : $1 @ $2.UUCP $3 uucp mail',
`ifdef(`_MAILER_uucp_',
`# forward other UUCP traffic straight to UUCP
-R< @ $+ .UUCP > : $+ $#uucp $@ $1 $: $2 @host.UUCP:...
-R$+ < @ $+ .UUCP > $#uucp $@ $2 $: $1 user@host.UUCP',
+R< @ $+ .UUCP > : $+ $#uucp $@ $1 $: $2 @host.UUCP:...
+R$+ < @ $+ .UUCP > $#uucp $@ $2 $: $1 user@host.UUCP',
`dnl')')
+ifdef(`_MAILER_usenet_', `
+# addresses sent to net.group.USENET will get forwarded to a newsgroup
+R$+ . USENET $#usenet $: $1',
+ `dnl')
ifdef(`_LOCAL_RULES_',
`# figure out what should stay in our local mail system
-undivert(1)',
-`ifdef(`_MAILER_smtp_',
-`# deal with other remote names
R$* < @ $* > $* $#smtp $@ $2 $: $1 @ $2 $3 user@host.domain')')
-ifdef(`SMART_HOST', `
-# pass names that still have a host to a smarthost
-R$* < @ $* > $* $: < $S > $1 < @ $2 > $3 glue on smarthost name
-R<$-:$+> $* < @$* > $* $# $1 $@ $2 $: $3 @ $4 $5 if non-null, use it
-R<$+> $* < @$* > $* $#suucp $@ $1 $: $2 @ $3 $4 if non-null, use it
-R<> $* < @ $* > $* $1 < @ $2 > $3 else strip off gunk',
-`ifdef(`_LOCAL_RULES_', `
-# reject messages that have host names we do not understand
-R$* < @ $* > $* $#error $@ NOHOST $: Unrecognized host name $2',
-`dnl')')
-ifdef(`_MAILER_USENET_', `
-# addresses sent to net.group.USENET will get forwarded to a newsgroup
-R$+ . USENET $# usenet $: $1')
+ifdef(`SMART_HOST',
+`# pass names that still have a host to a smarthost
+R$* < @ $* > $* $: $>_SET_95_ < $S > $1 < @ $2 > $3 glue on smarthost name
+R< $- : $+ > $* $# $1 $@ $2 $: $3 if non-null, use it
+R< $+ > $* $#suucp $@ $1 $: $2 if non-null, use it
+R<> $* $: $1 else strip off gunk',
+
+`# deal with other remote names
+ifdef(`_MAILER_smtp_',
+`R$* < @$* > $* $#_SMTP_ $@ $2 $: $1 < @ $2 > $3 user@host.domain',
+`R$* < @$* > $* $#error $@NOHOST $: Unrecognized host name $2')')
ifdef(`_OLD_SENDMAIL_',
`# forward remaining names to local relay, if any
-R$=L $#local $: $1 special local names
-R$+ $: $1 < @ $R > append relay
-R$+ < @ > $: $1 < @ $H > no relay, try hub
-R$+ < @ > $#local $: $1 no relay or hub: local
-R$+ < @ $=w > $#local $: $1 we are relay/hub: local
-R$+ < @ $-:$+ > $# $2 $@ $3 $: $1 deliver to relay/hub
-R$+ < @ $+ > $#relay $@ $2 $: $1 deliver to relay/hub',
+R$=L $#_LOCAL_ $: $1 special local names
+R$+ $: $>_SET_95_ < $R > $1 try relay
+R$+ $: $>_SET_95_ < $H > $1 try hub
+R$+ $#_LOCAL_ $: $1 no relay or hub: local',
`# if this is quoted, strip the quotes and try again
R$+ $: $(dequote $1 $) strip quotes
R$* $=O $* $@ $>_SET_97_ $1 $2 $3 try again
# handle locally delivered names
-R$=L $#local $: @ $1 special local names
-R$+ $#local $: $1 regular local names
+R$=L $#_LOCAL_ $: @ $1 special local names
+R$+ $#_LOCAL_ $: $1 regular local names
###########################################################################
### Ruleset 5 -- special rewriting after aliases have been expanded ###
S5
# see if we have a relay or a hub
-R$+ $: $1 < @ $R >
-R$+ < @ > $: $1 < @ $H > no relay, try hub
-R$+ < @ $=w > $@ $1 we are relay/hub: local
-R$+ < @ $-:$+ > $# $2 $@ $3 $: $1 send to relay or hub
-ifdef(`_MAILER_smtp_',
-`R$+ < @ $+ > $#relay $@ $2 $: $1 send to relay or hub')')
+R$+ $: $>_SET_95_ < $R > $1 try relay
+R$+ $: $>_SET_95_ < $H > $1 try hub')
ifdef(`MAILER_TABLE',
`
-###########################################################################
-### Ruleset 90 -- try domain part of mailertable entry ###
-### (new sendmail only) ###
-###########################################################################
+###################################################################
+### Ruleset 90 -- try domain part of mailertable entry ###
+### (new sendmail only) ###
+###################################################################
S90
-R<$- . $+ > $* $: < $(mailertable .$2 $) > $3 lookup
+R<$- . $+ > $* $: < $(mailertable .$2 $@ $1 $) > $3 lookup
R<$- : $+ > $* $# $1 $@ $2 $: $3 check -- resolved?
R< . $+ > $* $@ $>90 <$1> $2 no -- strip & try again
R<$*> $* $@ $2 no match',
`dnl')
+
+###################################################################
+### Ruleset _SET_95_ -- canonify mailer:host syntax to triple ###
+###################################################################
+
+S`'_SET_95_
+R< > $* $@ $1 strip off null relay
+R< $- : $+ > $* $# $1 $@ $2 $: $3 try qualified mailer
+R< $=w > $* $@ $2 delete local host
+R< $+ > $* $#_RELAY_ $@ $1 $: $2 use unqualified mailer
+
+###################################################################
+### Ruleset _SET_98_ -- local part of ruleset zero (can be null) ###
+###################################################################
+
+S`'_SET_98_
+undivert(3)dnl
#\f
######################################################################
######################################################################