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1 files changed, 29 insertions, 0 deletions

diff --git a/mail/lib/rewrite b/mail/lib/rewrite
new file mode 100755
index 00000000..eb3b2691
--- /dev/null
+++ b/mail/lib/rewrite
@@ -0,0 +1,29 @@
+#
+#	sample rewrite file for systems that send mail to a mail server or gateway
+#	for delivery.  we assume the mail server handles incoming messages.
+#
+#	by default the return address points to this system; set $site
+#	to the name of the mail server that receives your mail.
+#
+#	replace YOURDOMAIN.DOM with the name of your domain.
+#
+#	in the last rule, $smtp is the name of the mail server.  set it
+#	in the DNS database in $PLAN9/lib/ndb (see ndb(7)).
+
+# translate local aliases from /mail/lib/namefiles
+[^!@.]+			translate	"$PLAN9/bin/upas/aliasmail '&'"
+
+# append the local domain to addresses without a domain
+local!(.*)		alias		\1@swtch.com
+
+# convert source domain address to a chain a@b@c@d...
+@([^@!,]*):([^!@]*)@([^!]*)		alias	\2@\3@\1
+@([^@!]*),@([^!@,]*):([^!@]*)@([^!]*)	alias	@\1:\3@\4@\2
+
+# convert a chain a@b@c@d... to ...d!c!b!a
+([^@]+)@([^@]+)@(.+)	alias		\2!\1@\3
+([^@]+)@([^@]+)		alias		\2!\1
+
+# send all mail to the gateway or mail server, $smtp,  for delivery
+([^!]*)!(.*) 		| 		"$PLAN9/mail/lib/qmail '\s' 'tcp!holo.morphisms.net!5356'" "'\2@\1'"
+