On 19/03/23 07:44, Matus UHLAR - fantomas via Postfix-users wrote:
I would generally allow the printer to use port 25.
Port 25 is not a submission port and should not be used as such. Keep
your submission separate from your MX traffic and you will avoid a whole
heap of issues down the road.
If you want a separate port for the printer then just create one in
master.cf:
10465 inet n - n - - smtpd
-o syslog_name=postfix/10465
-o smtpd_tls_wrappermode=yes
-o smtpd_tls_security_level=encrypt
-o smtpd_sasl_auth_enable=yes
-o smtpd_reject_unlisted_recipient=no
-o smtpd_recipient_restrictions=$mua_recipient_restrictions
-o milter_macro_daemon_name=ORIGINATING
...or similar for a submission (non-wrappermode) port.
Peter
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