Ingemann
Lambertsen's patch (to add control/relayclients and
control/relaydomains files) but I don't know if it's
recommended.
tcpserver is the recommended way to control relaying.
However I don't know how to manage forged senders
with our own domain when it's received from
Internet. If I
control/relaydomains files) but I don't know if it's
recommended.
However I don't know how to manage forged senders
with our own domain when it's received from
Internet. If I include our domain in
control/badmailfrom file, valid mail from our mail
servers also is rejected.
Original Article: http://www.egroups.com/list/djb-qmail/?start=27523
The "lack", as it were, is in your thinking through the problem.
There is no way, short of sender authentication, to tell whether an
incoming message which has a sender address in your domain is
legitimate or forged.
