URGENT help needed with Postfix which stopped working on 11 Jan 2025 Saturday at about 3.00 AM
Subject: URGENT help needed with Postfix which stopped working on 11 Jan 2025 Saturday at about 3.00 AM SYSTEM INFORMATION OS type and version AlmaLinux 9.5 Webmin version 2.202 Virtualmin version 7.30.4 Webserver version 2.4.62 Related packages Postfix Dear Virtualmin and Webmin and Postfix community, I have stopped receiving emails since 11 Jan 2025 Saturday at about 3.00 AM. I tried rebooting my AlmaLinux 9.5 Virtual Private Server (VPS) and restarting Postfix but to no avail. Whenever I try to start Postfix, the service would be killed by the OOM Killer almost immediately. Running "systemctl status postfix" shows oom-kill. When I checked /var/log/messages, many related services were also killed by the OOM Killer. But this is strange. This should not be happening at all because I have 8 GB of physical memory for my VPS. But I do notice there were 100+ messages inside the Postfix message queue. Did my email account(s) get compromised by hackers? Then I tried uni...