On Thu, Aug 01, 2024 at 12:54:16AM +0300, Dāvis Mosāns via Postfix-users wrote:
> and in master.cf I have:
> submissions inet n - n - - smtpd
> -o syslog_name=postfix/submissions
> -o smtpd_tls_wrappermode=yes
> -o smtpd_tls_security_level=encrypt
> -o smtpd_sasl_auth_enable=yes
> -o transport_maps=lmdb:/etc/postfix/submission_transport
>
> where submission_transport is empty file.
This can't work, because the transport lookups that *matter* are
performed by qmgr(8) during delivery from the active queue, not smtpd(8)
while adding the message to the queue. There's only one shared qmgr(8),
so the transport(8) table is effectively global.
If you want separate routing (transport table) of incoming and outgoing mail,
you need multiple Postfix instances.
https://www.postfix.org/MULTI_INSTANCE_README.html
--
Viktor.
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