I must be doing something particularly obviously stupid, because doing my best
to follow the advice from Wietse in the thread "different treatment for
different From: domains", I have tried everything I can think of, and am
unable to get sender_dependent_relayhost_maps to actually change the relayhost
for mails from a particular domain.
1. I created the following /etc/postfix/relayhost_maps file:
----
@arrl.net [smtp.pobox.com]:587
----
2. I added the following to main.cf:
sender_dependent_relayhost_maps = hash:/etc/postfix/relayhost_maps
3. I executed:
postmap /etc/postfix/relayhost_maps
and
postfix reload
My understanding from the little I can find on the subject is that with this
configuration, when the server receives an e-mail from my address
n...@arrl.net, it should now forward it to smtp.pobox.com:587. But it doesn't.
It still forwards it to the host identified by the ordinary relayhost= line in
main.cf.
Any help much appreciated. I am out of ideas.
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