So, I'd like to migrate some filtering MTAs from Qmail to Postfix, so that eventually I can take advantage of valid-address-checks at the SMTP level.<BR><BR>The setup is, I have multiple relay MTAs ...

The topic pretty much says it all.<BR><BR>I have a postfix installation that is currently using gmail for a relay. The only problem I have is that all mail that is sent looks like it originates from ...

Build Your Skills: Block spam at the server with these Postfix techniques Your email has been sent Explores some of the principles of configuring Postfix to accept or reject messages before they ever ...