1 #
2 #	sample rewrite file for systems that send mail to a mail server or gateway
3 #	for delivery.  we assume the mail server handles incoming messages.
4 #
5 #	by default the return address points to this system; set $site
6 #	to the name of the mail server that receives your mail.
7 #
8 #	replace YOURDOMAIN.DOM with the name of your domain.
9 #
10 #	in the last rule, $smtp is the name of the mail server.  set it
11 #	in the DNS database in $PLAN9/lib/ndb (see ndb(7)).
12 
13 # translate local aliases from /mail/lib/namefiles
14 [^!@.]+			translate	"$PLAN9/bin/upas/aliasmail '&'"
15 
16 # append the local domain to addresses without a domain
17 local!(.*)		alias		\1@swtch.com
18 
19 # convert source domain address to a chain a@b@c@d...
20 @([^@!,]*):([^!@]*)@([^!]*)		alias	\2@\3@\1
21 @([^@!]*),@([^!@,]*):([^!@]*)@([^!]*)	alias	@\1:\3@\4@\2
22 
23 # convert a chain a@b@c@d... to ...d!c!b!a
24 ([^@]+)@([^@]+)@(.+)	alias		\2!\1@\3
25 ([^@]+)@([^@]+)		alias		\2!\1
26 
27 # send all mail to the gateway or mail server, $smtp,  for delivery
28 ([^!]*)!(.*) 		| 		"$PLAN9/mail/lib/qmail '\s' 'YOUR.MAIL.GATEWAY'" "'\2@\1'"