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SMTP and POP on same server

Posted on 2006-05-12
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I currently run Exchange 2000 (scheduled to upgrade to Exchange 2003 in the next month) in an Active Directory environment with the majority of email users sitting on the LAN with an occasional user accessing the server remotely through a VPN connection on a company owned and controlled laptop. Pretty basic and straight forward setup. I've recently received a request to setup some external email (POP) for contractors that work for us and want to use the same email domain. Can I setup POP email to run on the same server and open it to the internet by opening the proper ports through the firewall? Currently I only allow SMTP email traffic through. If so can any one suggest some good documentation on how to do this and is there an increased security risk doing this compared to allowing SMTP traffic or is it basically the same. Also, would the antivirus running on the exchange server intercept any viruses or would this be an area that I would be vulnerable to allowing something into the LAN.

Thanks,
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Question by:glenneberhard
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by:Lee W, MVP
ID: 16669042
Just enable the Exchange POP3 service and open the port.  

Any time you open a port you're putting yourself at greater risk.  I think you'd be better suited to have the contractors use OWA.

The antivirus software SHOULD catch it as it runs scanning the information store, where the messages are held until "POP'd" off
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by:glenneberhard
ID: 16669076
Would I need to create an active directory account for these users? If I used POP or OWA do you feel that I need to enable encryption?
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Lee W, MVP earned 2000 total points
ID: 16669104
Absolutely, Exchange only works with Active Directory accounts.  Though I suppose you could try creating a public folder - I've never tried that...

As for encryption, I would also use encryption whenever possible.  Odds are, no one is hacking you - but WHY would you bet on the odds?  Why would you bet on your network's security AT ALL?
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