Zimbra Forums

Hi Phoenix, There are a lot of login attempts to the system. All of them are PLAIN and all of them are from different IP's. unknown[xx.xx.xx.xx]: SASL PLAIN authentication failed I have fail2ban set up but as every attempt is coming from a different IP it does not have a use in this case. After 3 fa...

Hi, I am trying to disable smtpd AUTH PLAIN login in my system. In my configuration smtp_sasl_security_options = noanonymous,noplaintext smtpd_sasl_security_options = noanonymous I want to add noplaintext to smtpd_sasl_security_options and allow only AUTH LOGIN First i have tried to edit /opt/zimbra...

Thank you Gabrieles.

Aydin

Hi, I am relatively new to Zimbra, maintaining a small setup with ~50 users, everthing in one box. The current version is 8.8.8. GA and the OS is Centos 7. I will do an upgrade to 8.8.12, i have searched and i think i i have understood how to perform the upgrade. I will follow the information is thi...