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Public DNS Configuration

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Public DNS Configuration - 30.Jan.2008 9:59:43 AM   


Posts: 5
Joined: 30.Jan.2008
Status: offline
Dear All,
          I have installed Exchnage 2007 with 4 servers (CAS,HUB,MBS,EDGE)
I configured EDGE on DMZ with Public DNS on Same DMZ with 2 public IP Adresses .

My ISP will Synchronize with My public DNS also I have ISA with All Publishing  Rule

My question is what is exactly records should be added to my Public DNS for Mail Flow .

Please Advice.

< Message edited by ahmedabdelbaset -- 30.Jan.2008 10:07:36 AM >
Post #: 1
RE: Public DNS Configuration - 30.Jan.2008 7:26:27 PM   


Posts: 4093
Joined: 17.Jan.2008
From: Somewhere near London, UK
Status: offline
You only need an MX record point to your external IP address.
However MX records cannot point to IP addresses, so you will actually need two records.
An A record (for example mail) point to your external IP address.
Then the MX record would point to mail.domain.com

Ask your ISP to set a reverse DNS (aka PTR record) on the external IP address to match the DNS entry you created above - so mail.domain.com in my example.



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(in reply to ahmedabdelbaset)
Post #: 2

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