Solved: does exchange have to have a static ext ip address

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PK-her0

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Sep 17, 2007
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1,553
Hi guys,

setting up a sbs2003 box for messing with...do i have to get a static ip address from my isp to use exchange on this server.
im thinking it depends wether im using pop connectors or not.

thanks as always
 
Joined
May 15, 2003
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Yes. You have to setup an MX DNS record that needs to point to a static IP for reliable mail delivery.
 

PK-her0

Thread Starter
Joined
Sep 17, 2007
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1,553
where do you setup the mx dns record...on the hosting mail control panel?

thanks for your answer man
 
Joined
May 15, 2003
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Yes, usually the webhost sets the MX record. Unless you have GoDaddy which has total DNS control and then you can do it there. The correct way to do it is to create an A record usually called mail that resolves to your static IP and then point the MX to mail.domainname.com
 
Joined
Dec 6, 2003
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You do not have to have a static IP address for the mail server. You DO have to have a static MX record. The MX record will point to the A record, which can be dynamic.

I set up one once that used Go Daddy to point to a ISA server, which used DynDNS to update its dynamic address. That is the address that was used by Go Daddy.

Courtney
 
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Mar 30, 2010
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NO...

you can do this with dynamic DNS,


basically you register you domain info with no ip, you install a small app on your server so when it detects its external address has changed it contacts NOIP to say my address has changed update my host info and MX records accordingley.

http://www.no-ip.com/
 
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