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exchange delivery with large delays

Posted on 2016-07-25
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Last Modified: 2016-07-27
Hi Experts,

we are using EXCHANGE 2007 in a SCC failover cluster.
Two domains are connected to the exchange server.
We have no problems with the domain 1 to receive emails, the emails arriving in one minute.

But from domain 2 we have major delays. The biggest delay was 19 hours.
Domain 2 has no exchnage server.
The exchange server belongs to domain 1.
But both domains are connected to the same firewall and therefore we just use a DNS forwarder to locate domain 1 from domain 2.

Do you have any ideas why it takes so long ?
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Question by:Eprs_Admin
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Accepted Solution

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Sudeep Sharma earned 500 total points
ID: 41727454
It is important to figure at which level the emails are getting delayed (which HOP).

To do this, open the delayed email and look for the email headers.

Copy the email headers and analyze them on MXtoolbox.com message analyzer. Link below:
http://mxtoolbox.com/EmailHeaders.aspx

If you face any issue in getting the emails header or evaluating it, please let us know.

Thanks,
Sudeep
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