==== REQUIRED BASIC INFO OF YOUR IREDMAIL SERVER ====
- iRedMail version (check /etc/iredmail-release): 1.6.5 MARIADB edition
- Deployed with iRedMail Easy or the downloadable installer? yes
- Linux/BSD distribution name and version: Debian 11
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): MariaDB(MySQL)
- Web server (Apache or Nginx): Nginx
- Manage mail accounts with iRedAdmin-Pro? no
- [IMPORTANT] Related original log or error message is required if you're experiencing an issue.
====

Hi,

Since a few days, all my incoming emails are blocked. I can see in the mail.log files :

2023-12-07T09:53:41.190477+01:00 mail2 postfix/postscreen[2139975]: CONNECT from [209.85.221.51]:45495 to [51.83.70.93]:25
2023-12-07T09:53:41.218601+01:00 mail2 postfix/dnsblog[2139976]: addr 209.85.221.51 listed by domain sbl-xbl.spamhaus.org as 127.255.255.254
2023-12-07T09:53:41.227388+01:00 mail2 postfix/dnsblog[2139984]: addr 209.85.221.51 listed by domain cbl.abuseat.org as 127.255.255.254

Trying to fix it, help is welcome.

Thanks a lot

Manu