On 2/8/2012 7:21 PM, Joe Wong wrote: > Hello Andy, > > Sorry I should state the details initially. I am hosting multiple domains say > > joe.com > jay.net > some other domains > > I would like to route email sent from user in joe.com through IP > address 1, user in jay.net via IP address 2, the rest go through IP > address 3.
The sender_dependent_default_transport_maps feature is intended exactly for this. See: http://www.postfix.org/postconf.5.html#sender_dependent_default_transport_maps and the mail list archives. -- Noel Jones