1PUSHDIVERT(-1)
2#
3# Copyright (c) 1983 Eric P. Allman
4# Copyright (c) 1988, 1993
5#	The Regents of the University of California.  All rights reserved.
6#
7# %sccs.include.redist.sh%
8#
9ifdef(`SMTP_MAILER_FLAGS',, `define(`SMTP_MAILER_FLAGS', `')')
10ifdef(`SMTP_MAILER_ARGS',, `define(`SMTP_MAILER_ARGS', `IPC $h')')
11ifdef(`ESMTP_MAILER_ARGS',, `define(`ESMTP_MAILER_ARGS', `IPC $h')')
12ifdef(`SMTP8_MAILER_ARGS',, `define(`SMTP8_MAILER_ARGS', `IPC $h')')
13ifdef(`RELAY_MAILER_ARGS',, `define(`RELAY_MAILER_ARGS', `IPC $h')')
14POPDIVERT
15#####################################
16###   SMTP Mailer specification   ###
17#####################################
18
19VERSIONID(`@(#)smtp.m4	8.18 (Berkeley) 11/13/94')
20
21Msmtp,		P=[IPC], F=CONCAT(mDFMuX, SMTP_MAILER_FLAGS), S=11/31, R=ifdef(`_ALL_MASQUERADE_', `11/31', `21'), E=\r\n,
22		L=990, ifdef(`SMTP_MAILER_MAX', `M=SMTP_MAILER_MAX, ')A=SMTP_MAILER_ARGS
23Mesmtp,		P=[IPC], F=CONCAT(mDFMuXa, SMTP_MAILER_FLAGS), S=11/31, R=ifdef(`_ALL_MASQUERADE_', `11/31', `21'), E=\r\n,
24		L=990, ifdef(`SMTP_MAILER_MAX', `M=SMTP_MAILER_MAX, ')A=ESMTP_MAILER_ARGS
25Msmtp8,		P=[IPC], F=CONCAT(mDFMuX8, SMTP_MAILER_FLAGS), S=11/31, R=ifdef(`_ALL_MASQUERADE_', `11/31', `21'), E=\r\n,
26		L=990, ifdef(`SMTP_MAILER_MAX', `M=SMTP_MAILER_MAX, ')A=SMTP8_MAILER_ARGS
27Mrelay,		P=[IPC], F=CONCAT(mDFMuXa8, SMTP_MAILER_FLAGS), S=11/31, R=61, E=\r\n,
28		L=2040, A=RELAY_MAILER_ARGS
29
30#
31#  envelope sender and masquerading recipient rewriting
32#
33S11
34R$+			$: $>51 $1			sender/recipient common
35R$* :; <@>		$@ $1 :;			list:; special case
36R$*			$@ $>61 $1			qualify unqual'ed names
37
38
39#
40#  header recipient rewriting if not masquerading recipients
41#
42S21
43
44# do sender/recipient common rewriting
45R$+			$: $>51 $1
46
47# unqualified names (e.g., "eric") are qualified by local host
48R$* < @ $* > $*		$@ $1 < @ $2 > $3		already qualified
49R$+			$: $1 < @ $j >			add local domain
50
51
52#
53#  header sender and masquerading recipient rewriting
54#
55S31
56R$+			$: $>51 $1			sender/recipient common
57R$* :; <@>		$@ $1 :;			list:; special case
58
59# do special header rewriting
60R$* <@> $*		$@ $1 <@> $2			pass null host through
61R< @ $* > $*		$@ < @ $1 > $2			pass route-addr through
62R$=E < @ $=w . >	$@ $1 < @ $2 >			exposed user as is
63R$* < @ $=w . >		$: $1 < @ $2 @ $M >		masquerade as domain
64R$* < @ $+ @ >		$@ $1 < @ $2 >			in case $M undefined
65R$* < @ $+ @ $+ >	$@ $1 < @ $3 >			$M is defined -- use it
66R$*			$@ $>61 $1			qualify unqual'ed names
67
68
69#
70#  convert pseudo-domain addresses to real domain addresses
71#
72S51
73
74# pass <route-addr>s through
75R< @ $+ > $*		$@ < @ $1 > $2			resolve <route-addr>
76
77# output fake domains as user%fake@relay
78ifdef(`BITNET_RELAY',
79`R$+ <@ $+ .BITNET. >	$: $1 % $2 .BITNET < @ $B >	user@host.BITNET
80R$+.BITNET <@ $+:$+ >	$: $1 .BITNET < @ $3 >		strip mailer: part',
81	`dnl')
82ifdef(`_NO_UUCP_', `dnl', `
83# do UUCP heuristics; note that these are shared with UUCP mailers
84R$+ < @ $+ .UUCP. >	$: < $2 ! > $1			convert to UUCP form
85R$+ < @ $* > $*		$@ $1 < @ $2 > $3		not UUCP form
86
87# leave these in .UUCP form to avoid further tampering
88R< $&h ! > $- ! $+	$@ $2 < @ $1 .UUCP. >
89R< $&h ! > $-.$+ ! $+	$@ $3 < @ $1.$2 >
90R< $&h ! > $+		$@ $1 < @ $&h .UUCP. >
91R< $+ ! > $+		$: $1 ! $2 < @ $j >
92R$+ < @ $+ : $+ >	$: $1 < @ $3 >			strip mailer: part')
93
94
95#
96#  common sender and masquerading recipient rewriting
97#
98S61
99
100R$* < @ $* > $*		$@ $1 < @ $2 > $3		already qualified
101R$=E			$@ $1 < @ $j>			show exposed names
102R$+			$: $1 < @ $M >			user w/o host
103R$+ <@>			$: $1 < @ $j >			in case $M undefined
104