I was wondering if there was a way to make vpopmail and qmail only allow relaying through the domain that a pop auth has succeeded through.
I have domain1.com and domain2.com both on my host machine (these are ip
based hosts and I have used vipmap to add their ip addresses). Now
currently if a user pop auth's through domain1.com, they are able to relay
through any domain name or ip address that is bound to the machine. I want
to limit them to only be able to relay through domain1.com ip address.
Any instructions or documentation on setting this up would be most helpful.