Peer Heinlein: > > Hi, > > I'm wondering about the difference between $sasl_sender and $sender in > the SMTP Access Policy Delegation Protocol.
MAIL FROM:<u...@example.com> AUTH=<whatever> $sender $sasl_sender > So is it right, that under normal circumstances $sasl_sender and > $sender should be most of the time exactly the same (if the user > is authenticated and if $sasl_sender is set)? There is a lengthy discussion about this in RFC 4954 section 5. (With Postfix 2.9 and later, see the smtp_send_dummy_mail_auth parameter). Wietse