Ralf Hildebrandt: > * Peter S?rensen <mas...@sdu.dk>: > > Hi, > > > > We use postfix in front of our local email servers where 80% is based on > > exchange. We have around > > 25000 users/distlist/emaillist > > > > We would like to implement a system where all email addresses are known and > > which server will handle it. > > Because this is a heterogeneous environment the system should contain all > > valid email addresses and the > > name of destination server for this. I can't use AD for this. I can't use > > transport maps to do this. > > I use virtual_alias_maps for that > > ralf.hildebra...@charite.de --> loginn...@mailboxserver.charite.de
Another option would be to implement the mail gateway example in http://www.postfix.org/STANDARD_CONFIGURATION_README.html#firewall To avoid the problem that virtual aliasing changes the recipient address: - List the domain in relay_domains - Use relay_recipient_maps to reject non-existent recipients - Use transports_maps for u...@example.com -> smtp:[servername] mapping. ("I can't use X" is unclear. I read this as "I don't know X would solve this problem"). Wietse
