On Thursday 23 July 2009 14:53:01 John Mok wrote: > > I am new to Postfix. Is Postfix capable to build the cluster without > local user accounts on the servers?
Yes. See virtual_mailbox_maps, virtual_mailbox_domains etc http://www.postfix.org/VIRTUAL_README.html#virtual_mailbox When I designed a similar system I delivered email using maildir format boxes over NFS, so all the front end servers "thought" the recipient was local to them (as a virtual mailboxes) when in fact weird NFS mappings were hidden at the filesystem level. Afraid I never got to see how well it scaled outside the lab. You could equally define maps for relaying that deliver user1 to server1 using SMTP instead of NFS, but that seems unnecessarily involved to me.
