Re: transition from pop3 to smtp ??? advice needed
- From: MSR Consulting SBS Support <support@xxxxxxxxxxxxx>
- Date: Sun, 10 Dec 2006 14:55:25 -0600
The basic wizards will get you up and running just fine if the following
are in place.
1. Have a static (preferably business class) IP address on the
internet. Dynamic DNS can work as well if absolute necessary.
2. Insure that your ISP has a reverse DNS entry for IP address.
3. Insure that ISP does not block port 25 (many do). This is typically
an issue only if you are using consumer package from ISP or dynamic IP
assignment.
4. Have external DNS mx records setup properly to your external IP
address
5. Open requisite ports on firewall and/or forward the ports to your
SBS ip address
Note that there are ways to get around all of the ISP restrictions if
you have to, or don't want business class connectivity. My home
network for example runs Exchange server via an ISP who blocks port 25,
with a dynamic IP address, etc.
In regards to the POP transfer, you can continue running the pop
connector after you've switched over dns records for a few days until
you're sure that DNS changes have propogated everywhere and no more
email is arriving at your old ISP location.
Matt Ridings - MSR Consulting
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