Reindl Harald: > Am 07.02.2012 09:53, schrieb Joe Wong: > > Hello, > > > > Say my MTA has multiple IP addresses on it. Is there a way to > > configure Postfix (outbound) to use IP 1 when matching condition A and > > IP2 if matching condition B and IP3 and none of the conditions are > > matched? > > you can define "smtp_bind_address" for each outgoing process > defined in "master.cf" > > cat /etc/postfix/master.cf | grep smtp_bind > smtp unix - - n - 50 smtp -o > smtp_bind_address=10.0.0.6 -o max_idle=300 -o > max_use=500 > relay unix - - n - - smtp -o > smtp_bind_address=10.0.0.6 -o max_idle=300 -o > max_use=500 -o smtp_fallback_relay=
If you do this on a firewall, then be sure to read the Postfix manpage for smtp_bind_address and inet_interfaces, to avoid some common pitfalls with routing. http://www.postfix.org/postconf.5.html#smtp_bind_address http://www.postfix.org/postconf.5.html#inet_interfaces Wietse
