Some emails do not reach their destinatary - Exchange 2003 server

Some emails that we know people are sending us do not reach our exchange server. Is there a way to know why? How can we track emails that do not reach our server?
zaldivar05Asked:
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3cc3ntricConnect With a Mentor Commented:
In GFI Monitor what does the log say about the email?
Usually it will say it delivered it to xxxx mailbox
The what does it say under Exchange's System Manager?
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3cc3ntricCommented:
If they are definitely not reaching your server, (check in system manager under message tracking - needs to be enabled first)
you are at the mercy of the sender's IT people/ sender to provide you with any NDR information they may receive.
If you are using a mail server external to your exchange (pop3, etc) you could check those logs.
You could also do with checking for any AntiSpam/AntiVirus/Third party programs either server side or provider side to ensure they are not stripping those messages
Finally check external DNS is pointing to the correct mail server
Hope that's a nudge in the right direction.
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PeteJThomasCommented:
Is your server part of a larger Exchange organisation? Or the only Exchange server you have?

If the mails are not even reaching your gateway then the problem is likely going to be outside your network - You may want to speak with your ISP as I don't think there's any way you could personally track an email that doesn't even reach you...

Do the senders get any kind of non delivery report back or anything?
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zaldivar05Author Commented:
It seems some emails reach the gateway like this one

2008-1-31      9:7:34 GMT      -      -      -      SERVIDOR      -      rgranadl@cajamadrid.es      1019      A46321178BD9FD41A3EAD783487B0E8F54C38D@servidor.cosmanin.local      0      0      88256      1      2008-1-31 9:7:34 GMT      0      -      -      -      -

but then they do not get into the mailbox.

It is the only exchange server of the organization. We have a GFI mailessentials v.12 but I have that all the emails that the antispam intercept to be saved in a especific folder and that email is not at that folder.

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zaldivar05Author Commented:
sorry, that was an outgoing email not an incoming one.


I have found that internal emails also do not reach their destiny, so it cant be an ISP problem
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f_o_o_k_yCommented:
No comment has been added to this question in more than 21 days, so it is now classified as abandoned.

I will leave the following recommendation for this question in the Cleanup Zone:
Accept 3cc3ntric's comment as answer

Any objections should be posted here in the next 4 days. After that time, the question will be closed.

f_o_o_k_y Experts Exchange Cleanup Volunteer
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Computer101Commented:
Forced accept.

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