khamiss I am using alma9 with openlitespeed but not able to add domains seems port 25 is working fine, but once I start the email 4.8 I got those errors please check the screenshots his the test result for telnet gmail-smtp-in.l.google.com 25
aaPanel_Kern Hello, is it possible to try to install rspamd using apt or yum? apt install rspamd or yum install rspamd aaP_itproject_dmitry
