Originally Posted by Ovidiu
One of the main issues with archiving SENT mail is that the user can essentially put any From: address they like. What we do to solve this problem is require that users must provide login credentials to send mail via smtp_auth. In this case the milter is able to see the username of the sender and determine where to archive it, regardless of what From: address is in the header. This is a case worth considering if the client requires the archive for legal reasons and not just backup purposes.
Sounds right to me, I think this is a more "proper" solution, am I right?
Sounds right to me too. Go ahead and post your experience here, all the best to you