Viktor Dukhovni: > There's your problem. Your SMTP delivery agent is blocked waiting > for something that never happens, until an interrupt after a 5 hour > watchdog timer. This suggests a buggy operating system, perhaps > a virtual machine that loses timer events, or some other O/S bug. > > Jul 13 03:15:02 l2-rly-01 relay085/smtp[11563]: fatal: watchdog timeout > Jul 13 03:15:02 l2-rly-01 relay059/smtp[11564]: fatal: watchdog timeout > Jul 13 03:15:02 l2-rly-01 relay017/smtp[11567]: fatal: watchdog timeout > ... > Jul 13 03:15:02 l2-rly-01 relay095/smtp[11647]: fatal: watchdog timeout > Jul 13 03:15:02 l2-rly-01 relay099/smtp[11655]: fatal: watchdog timeout > Jul 13 03:15:02 l2-rly-01 relay008/smtp[11654]: fatal: watchdog timeout > Jul 13 03:15:02 l2-rly-01 postfix/qmgr[11562]: fatal: 202298015A3D0: timeout > receiving delivery status from transport: relay085
I agree, your OS or VM (or both) is borked. The only Postfix change that might avoid this is to drastically reduce process limits. Wietse