[ale] Connection timed out (Port 25)

[J. D.]

Hey all,

A client has problems with email timing out trying to get to my incoming
mailserver. The client will send several emails in a day and then one or
more of them
time out. They get a bounce message from their provider that looks like
this:

-----Original Message-----
From: Mail Delivery Subsystem
[mailto:MAILER-DAEMON at omr1.networksolutionsemail.com]
Sent: Wednesday, December 09, 2009 7:01 PM
To: beckyr at sendersdomain
Subject: Warning: could not send message for past 4 hours

    **********************************************
    **      THIS IS A WARNING MESSAGE ONLY      **
    **  YOU DO NOT NEED TO RESEND YOUR MESSAGE  **
    **********************************************

The original message was received at Wed, 9 Dec 2009 15:40:11 -0500
from mail.networksolutionsemail.com [205.178.146.50]

   ----- Transcript of session follows -----
<bruce at ourdomain.com>... Deferred: Connection timed out with
mailman.ourdomain.com.
Warning: message still undelivered after 4 hours
Will keep trying until message is 5 hours old

We process a lot of email and complaints like this are very uncommon. I have
spoken with our T1 service provider, and network solutions and have gotten
nowhere. The client has sent us several of these bounce messages and they
all have the same ip 205.178.146.50. At one point I thought this might
indicate the issue in one of networksolutions outgoing mail servers but I
don't really know. I think if we were having problems with our incoming mail
server my phone would be ringing off the hook.

Any ideas or suggestions on troubleshooting this?

Best regards,

J. D.
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