In this case, I would verify there isn't anything installed on the MDaemon server that could be filtering these SMTP sessions, such as AntiVirus software. Notice 20 seconds go by before the network error:
However, something on the network is closing the connection during that transfer. Wed 17:25:02: Connection closedįrom the log snippets you've provided, the network error is happening in the same place during the SMTP session.įrom an MDaemon standpoint, MDaemon is simply trying to transfer the message to the recipient mail server. Wed 17:25:02: Socket connection closed by the other side (how rude!) Wed 17:24:40: Waiting for protocol to start. Wed 17:24:40: Waiting for socket connection. Wed 17:24:40: Attempting SMTP connection to Tue 11:12:28: Connection closedĪgain another email stuck. Tue 11:12:28: Socket connection closed by the other side (how rude!) Tue 11:11:31: <- 354 Start mail input end with. Tue 11:11:28: Waiting for protocol to start. Tue 11:11:28: Waiting for socket connection. Tue 11:11:28: Attempting SMTP connection to otherwise SMTP is working fine.įor more information kindly see the logs. #ACE: These error comes out only with few random domains.