Le 20/12/2023 à 20:53, Joachim Lindenberg via Postfix-users a écrit :
Wietse:
Obviously, nginx will not know the Postfix SMTP client protocol stage, and the
nginx settings will have to match the largest
Postfix timeouts to avoid persistent mail delivery problems with some sites.
Settings optimal for Postfix may conflict with 'web' proxy usage.
There is no need to share the same proxy configuration for smtp delivery and
web access. Setting up multiple proxies is only few lines of configuration and
each can have their own timeouts.
That's crazy, If you're able to run a dedicated proxy instance, you're
able to run an outboud postfix instance too: the perfect proxy software
for smtp/postfix is postfix.
Otherwise it means that you're trying to solve your use-case at the
wrong level and that should be dealt at the network firewall/advanced
routing level.
Emmanuel.
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