Hi Fantomas,
It's very kind of you for all the details of your answer.
I would like just a bit more information.
1. If I change "smtpd_sasl_auth_enable=yes" in main.cf,
Is there any issue with "smtpd_sasl_security_options = noanonymous" ?
This option will be apply to submission and smtps in
Hello,
Thank you for your help
Unfortunatly, in my config, there is in main.cf:
smtpd_sasl_auth_enable = yes
smtpd_sasl_security_options = noanonymous
In master.cf, there is :
smtp inet n - - - - smtpd -o
content_filter=spamassassin
smtps inetn -
Hello dear Postfix users,
I am managing a postfix server (version 2.5.5), but I did not installed it.
This server accept mail submission on port 25 after sasl authentication... I
would like to stop it, because this is a security issue. External servers on
internet are trying brute force attacks on
