Hi list,
Does anyone know if it is possible to configure postfix in such a way that
it tries to deliver mail via ssmtp if delivery via smtp fails?
Background: We're operating a backup relayhost for a number of customers.
Their primary mail server is usually connected via adsl or cable. We're
seeing that some providers block incoming smtp, but not (yet) ssmtp. I would
like our relayhost to first try delivery via smtp, and if that fails
(because it could not connect) to retry via ssmtp.
Is such a configuration possible with postfix? I had hoped
fallback_transport would do the trick, but the manpage tells me it is used
for the local delivery agent, so it won't be any use for the relay agent,
right?
Thanks in advance for any information.
Regards,
roel
