MRob: > I was recently surprised to see .forward file in user's home dir being > honoured in a context where mail is set to be delivered via LMTP to > dovecot for final delivery. A response I got on the dovecot list implied > that the MTA is responsible for this. > > Does Postfix handle .forward just before it hands the message off using > LMTP? How does this work? I wouldn't have expected this unless Postfix > was doing the actual delivery, though it's not unwelcome - it's a mildly > helpful feature but I want to understand how it works.
See http://www.postfix.org/ADDRESS_REWRITING_README.html Wietse
