On Mon, Jan 05, 2015 at 04:21:01PM -0300, M. Rodrigo Monteiro wrote: > Let me explain what I need to do: users (Internet) must auth in one > address (DNS should resolve to multiple servers) to send e-mail. There > are multiple domains and multiple IMAP backends servers (Zimbra, > Exchange, ...). > I wanna use Cyrus-SASL and Postfix so I can add some tests in Postfix. > I do not wish send the e-mail to the backend and it get delivered to > the internet. > > Am I make myself understandable? > > Regards, > Rodrigo. > Hi Rodrigo, We currently use an nginx imap proxy for cyrus-sasl to Google mail, Exchange, and Cyrus IMAP mail backends. Regards, Ken