Eset Mail Security 4.5.3 OS: Linux 2.6.32-573.22.1.el6.x86_64 x86_64 (centos 6)   The Daemon randomly Freeze and my Customer cant accept or send Mails.   Maillog: (delivery temporarily suspended: conversation with[] timed out while receiving the initial server greeting) If i try to restart the deamon with /etc/init.d/esets restart it hangs and will never restart the service. Even when i reboot the server it cant stop the service - (forcefully restartet the VM)