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Reverse Lookup

Posted on 2011-03-24
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Last Modified: 2013-11-30
We are transitioing from Exchange 2003 to 2010.  Incoming mail is coming in on a Trendmicro appliance, but Outgoing mail is flowing through a different IP.   Our PTR record is pointing to our MX record.  Since we installed Exchange 2010 we are now getting lots of mail being refused and getting on blacklists.  Any thoughts?
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Question by:Falcon2
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Suliman Abu Kharroub earned 25 total points
ID: 35208949
"Our PTR record is pointing to our MX record. "

"Outgoing mail is flowing through a different IP"

change you prt record to point to this ip.

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by:Falcon2
ID: 35208966
point it to my where the outgoing mail is going?
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by:Suliman Abu Kharroub
ID: 35208979
yes please.
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Assisted Solution

by:Alan Hardisty
Alan Hardisty earned 25 total points
ID: 35208981
Agree with the above comment - but in addition - if you don't have an A record pointing to the sending IP address, create a new one (e.g., outbound), change your Reverse DNS record (via your ISP) to the new A record outbound.domain.com and then change the SEND Connector on Exchange 2010 to show outbound.domain.com.

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by:Suliman Abu Kharroub
ID: 35209020
thanks Alan for addition. that what I am trying to remember :)
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by:Alan Hardisty
ID: 35209036
:) - Anytime!
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