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Email DELIVERY FAILURE

ahmad1467
ahmad1467 asked
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Last Modified: 2012-05-06
I have a customer that is trying to send an email to our email server but we are not receiving it.
I check my Exchange SMTP logs and there is no sign of their domain talking to our server.
We do use an outside company to filer our emails but even in my quarantine reports nothing is showing up for their domain at this point I am ready to say its on their end, here is the error message that the customer is getting on their end.

{Subject: [Fwd: DELIVERY FAILURE: Router:
Failed to connect to SMTP host My_Company.COM because : The server is not responding. The server may be down or you may be experiencing network problems. Contact your system administrator if this problem persists.]
What do you think

Thanks
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Hendrik WieseInformation Security Manager

Commented:
Try to restart your smtp gateway server, this should resolve the issue

Author

Commented:
So do you think this is on my end?
Expert of the Quarter 2009
Expert of the Year 2009

Commented:
I would disagree. If you are using a remote service then sender needs to prove their server is trying to connect to your remote service. If they look at their logs and it shows the email delivery completes then you have to ask the remote service provider to look in to it. However the sender has to do the diagnostics. Until the email is delivered it is under their control.

Simon.

Author

Commented:
I am looking at my SMTP logs I sent some test emails at 2:45 EST
But my logs are showing a different time
why is that
2009-04-22 18:44:38 208.65.144.247 p01c11m066.mxlogic.net SMTPSVC1 1MAIL 123.200.200.20 0 EHLO - +p01c11m066.mxlogic.net 250 316 27 -
2009-04-22 18:44:38 208.65.144.247 p01c11m066.mxlogic.net SMTPSVC1 1MAIL 123.200.200.20 0 MAIL - +FROM:<ahmadh@comcast.net> 250 43 30 -
2009-04-22 18:44:38 208.65.144.247 p01c11m066.mxlogic.net SMTPSVC1 1MAIL 123.200.200.20 0 RCPT - +TO:<ahenderson@allied-online.com> 250 41 38 -
Expert of the Quarter 2009
Expert of the Year 2009

Commented:
If you are seeing the messages at a later time then you need to ask the third party host (mxlogic?) why there is a delay.

Simon.
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