proto.m4

早期freebsd实现

divert(-1)
#
# Copyright (c) 1983 Eric P. Allman
# Copyright (c) 1988, 1993
#	The Regents of the University of California.  All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
# 3. All advertising materials mentioning features or use of this software
#    must display the following acknowledgement:
#	This product includes software developed by the University of
#	California, Berkeley and its contributors.
# 4. Neither the name of the University nor the names of its contributors
#    may be used to endorse or promote products derived from this software
#    without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
divert(0)

VERSIONID(`@(#)proto.m4	8.45 (Berkeley) 3/4/94')

MAILER(local)dnl

ifdef(`_OLD_SENDMAIL_',
`define(`_SET_95_', 5)dnl
define(`_SET_96_', 6)dnl
define(`_SET_97_', 7)dnl
define(`_SET_98_', 8)dnl
define(`confDOMAIN_NAME',
	`ifdef(`NEED_DOMAIN', `$w.$d', `$w')')dnl',
`# level 5 config file format
V5
define(`_SET_95_', 95)dnl
define(`_SET_96_', 96)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
Fw`'confCW_FILE',
	`dnl')
ifdef(`confDOMAIN_NAME', `
# my official domain name
Dj`'confDOMAIN_NAME',
	`dnl')

ifdef(`_NULL_CLIENT_ONLY_',
`include(../m4/nullrelay.m4)m4exit',
	`dnl')

CP.

ifdef(`UUCP_RELAY',
`# UUCP relay host
DY`'UUCP_RELAY
CPUUCP

')dnl
ifdef(`BITNET_RELAY',
`#  BITNET relay host
DB`'BITNET_RELAY
CPBITNET

')dnl
ifdef(`FAX_RELAY',
`# FAX relay host
DF`'FAX_RELAY
CPFAX

')dnl
# "Smart" relay host (may be null)
DS`'ifdef(`SMART_HOST', SMART_HOST)

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)
DR`'ifdef(`LOCAL_RELAY', LOCAL_RELAY)

# who gets all local email traffic ($R has precedence for unqualified names)
DH`'ifdef(`MAIL_HUB', MAIL_HUB)

# who I masquerade as (null for no masquerading)
DM`'ifdef(`MASQUERADE_NAME', MASQUERADE_NAME)

# 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
#CLroot
CEroot
undivert(5)dnl

# operators that cannot be in local usernames (i.e., network indicators)
CO @ % ifdef(`_NO_UUCP_', `', `!')

# a class with just dot (for identifying canonical names)
C..

ifdef(`_OLD_SENDMAIL_', `dnl',
`# dequoting map
Kdequote dequote')

undivert(6)dnl

######################
#   Special macros   #
######################

# SMTP initial login message
De`'confSMTP_LOGIN_MSG

# UNIX initial From header format
Dl`'confFROM_LINE

# my name for error messages
Dn`'confMAILER_NAME

# delimiter (operator) characters
Do`'confOPERATORS

# format of a total name
Dq`'ifdef(`confFROM_HEADER', confFROM_HEADER,
	ifdef(`_OLD_SENDMAIL_', `$g$?x ($x)$.', `$?x$x <$g>$|$g$.'))
include(`../m4/version.m4')

###############
#   Options   #
###############

# strip message body to 7 bits on input?
O7`'confSEVEN_BIT_INPUT

# wait (in minutes) for alias file rebuild
Oa`'confALIAS_WAIT

# location of alias file
OA`'ifdef(`ALIAS_FILE', `ALIAS_FILE', /etc/aliases)

# minimum number of free blocks on filesystem
Ob`'confMIN_FREE_BLOCKS

# substitution for space (blank) characters
OB`'confBLANK_SUB

# avoid connecting to "expensive" mailers on initial submission?
Oc`'confCON_EXPENSIVE

# checkpoint queue runs after every N successful deliveries
OC`'confCHECKPOINT_INTERVAL

# default delivery mode
Od`'confDELIVERY_MODE

# automatically rebuild the alias database?
OD`'confAUTO_REBUILD

# error message header/file
ifdef(`confERROR_MESSAGE',
	OE`'confERROR_MESSAGE,
	#OE/etc/sendmail.oE)

# error mode
ifdef(`confERROR_MODE',
	Oe`'confERROR_MODE,
	#Oep)

# save Unix-style "From_" lines at top of header?
Of`'confSAVE_FROM_LINES

# temporary file mode
OF`'confTEMP_FILE_MODE

# match recipients against GECOS field?
OG`'confMATCH_GECOS

# default GID
Og`'confDEF_GROUP_ID

# maximum hop count
Oh`'confMAX_HOP

# location of help file
OH`'ifdef(`HELP_FILE', HELP_FILE, /usr/lib/sendmail.hf)

# ignore dots as terminators in incoming messages?
Oi`'confIGNORE_DOTS

# Insist that the BIND name server be running to resolve names
ifdef(`confBIND_OPTS',
	OI`'confBIND_OPTS,
	#OI)

# deliver MIME-encapsulated error messages?
Oj`'confMIME_FORMAT_ERRORS

# Forward file search path
ifdef(`confFORWARD_PATH',
	OJ`'confFORWARD_PATH,
	#OJ/var/forward/$u:$z/.forward.$w:$z/.forward)

# open connection cache size
Ok`'confMCI_CACHE_SIZE

# open connection cache timeout
OK`'confMCI_CACHE_TIMEOUT

# use Errors-To: header?
Ol`'confUSE_ERRORS_TO

# log level
OL`'confLOG_LEVEL

# send to me too, even in an alias expansion?
Om`'confME_TOO

# verify RHS in newaliases?
On`'confCHECK_ALIASES

# default messages to old style headers if no special punctuation?
Oo`'confOLD_STYLE_HEADERS

# SMTP daemon options
ifdef(`confDAEMON_OPTIONS',
	OO`'confDAEMON_OPTIONS,
	#OOPort=esmtp)

# privacy flags
Op`'confPRIVACY_FLAGS

# who (if anyone) should get extra copies of error messages
ifdef(`confCOPY_ERRORS_TO',
	OP`'confCOPY_ERRORS_TO,
	#OPPostmaster)

# slope of queue-only function
ifdef(`confQUEUE_FACTOR',
	Oq`'confQUEUE_FACTOR,
	#Oq600000)

# queue directory
OQ`'ifdef(`QUEUE_DIR', QUEUE_DIR, /var/spool/mqueue)

# read timeout -- now OK per RFC 1123 section 5.3.2
ifdef(`confREAD_TIMEOUT',
	Or`'confREAD_TIMEOUT,
	#Ordatablock=10m)

# queue up everything before forking?
Os`'confSAFE_QUEUE

# status file
OS`'ifdef(`STATUS_FILE', STATUS_FILE, /etc/sendmail.st)

# default message timeout interval
OT`'confMESSAGE_TIMEOUT

# 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
ifelse(confTIME_ZONE, `USE_SYSTEM', `#Ot',
	confTIME_ZONE, `USE_TZ', `Ot',
	`Ot`'confTIME_ZONE')

# default UID
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',
	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
Ox`'confQUEUE_LA

# load average at which we refuse connections
OX`'confREFUSE_LA

# work recipient factor
ifdef(`confWORK_RECIPIENT_FACTOR',
	Oy`'confWORK_RECIPIENT_FACTOR,
	#Oy30000)

# deliver each queued job in a separate process?
OY`'confSEPARATE_PROC

# work class factor
ifdef(`confWORK_CLASS_FACTOR',
	Oz`'confWORK_CLASS_FACTOR,
	#Oz1800)

# work time factor
ifdef(`confWORK_TIME_FACTOR',
	OZ`'confWORK_TIME_FACTOR,
	#OZ90000)

###########################
#   Message precedences   #
###########################

Pfirst-class=0
Pspecial-delivery=100