Viktor Dukhovni: > > perhaps more importantly, what is the recommended way of sending > > emails from Postfix to Dovecot? The advantage of Peer's method is that > > you can place the Postfix server in a DMZ and it does not need access > > to your MySQL/... database for username information. > > Losing recipient validation is NOT an advantage. Either way, > you need to have a table of valid recipients to avoid backscatter.
An alternative to a static table is dynamic recipient verification. This uses a cache with proactive refresh. http://www.postfix.org/ADDRESS_VERIFICATION_README.html Wietse
