Stefan Bauer: > Hi, > > I'm using smtpd_sender_restrictions = check_sender_access > hash:/etc/postfix/allowed_sender > > to make sure, my senders only send out with pre-defined and allowed domains. > > Now i noticed, that if my users acknowledge "read confirmations" in > clients, mails in the following form arrive at postfix: > > from=<> to=<m...@customer.tld> proto=ESMTP helo=<W8PPCN130916> > > and will be rejected as empty mail from is not allowed by > check_sender_access. > > Howto deal with that?
http://www.postfix.org/postconf.5.html#smtpd_null_access_lookup_key Wietse
