Ralf Hildebrandt via Postfix-users skrev den 2023-05-04 14:41:
* Corey Hickman via Postfix-users <[email protected]>:
Hello list,
We have 3 smtp servers for sending messages. When mail in one server
has
delivery issue, how can we setup it to use another more servers for
second/third delivery?
You could use smtp_fallback_relay
this will work for mx with one ipv4, one ipv6, but fails if mx have more
ips, think greylistning forever
cloud9 newer did that
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