Eric: > u...@domain1.net <forward to> mail.domain1.net > ALL OTHER: > u...@yahoo.com <INTERNET> > u...@hotmail.com<INTERNET> > u...@gmail.com<INTERNET>
Remove the relayhost setting from main.cf. Postfix by default delivers mail for u...@domain1.net to domain1.net mailhost, and it by default delivers mail for yahoo, hotmail, etc., via the Internet. Wietse