> user wants to receive mail on ahost.dom.ain and bhost.dom.ain;
Forward messages from user@ahost (and user@bhost) to user-direct@ahost
and user-direct@bhost. Deliver user-direct@ahost to the mailbox on A.
Deliver user-direct@bhost to the mailbox on B.
---Dan
Put an end to unauthorized mail relaying.
http://pobox.com/~djb/qmail.html