On 2016-02-21 13:00, Kiss Gábor wrote:
> My colleagues need authenticated channel to submit mails when traveling.
> So disabling sasl is not an option.
read again i just say disalbe it on port 25
and convense users to use submission port 587, or 465 as users se fits
Can you guarantee that hotel firewalls allows to reach my port 587? :->
if thay block port 25 then use port 26 :=)
but stop sasl auth on port 25, in case it breaks anything for users thay
can still send postmaster a email, but not relay
The problem is already solved by Allen Coates. :-)
what problem ?
"how to configure smtpd to close connection after 3 authentication
error"?
http://article.gmane.org/gmane.mail.postfix.user/254364
change _error smtpd settings
in main.cf
smtpd_soft_error = 2
smtpd_hard_error = 3
in master.cf submission and smtps
-o smtpd_soft_error=20
-o smtpd_hard_error=30
but the master.cf does not matter, just a how to learn more postfix
untested here with the master.cf, so if it works be happy