> > > On August 15, 2023 2:15:21 AM GMT+02:00, Jon Smart via Postfix-users > <postfix-users@postfix.org> wrote: >>Hello, >> >>I have disabled port 587/465 to be accessed publicly. >> >>but port 25 must be open to internet for MTA communications. >> >>My question is, can external users access port 25 for smtp auth and send >>mail then? > Not if you disable auth on port 25, which you should.
How can I disable auth on port 25? I really don't want users to use port 25 for auth sender. i am using postfix version 3.6.4 on ubuntu 22.04. Thanks. _______________________________________________ Postfix-users mailing list -- postfix-users@postfix.org To unsubscribe send an email to postfix-users-le...@postfix.org
