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Exchange Mail and Relaying mail

Posted on 2007-04-09
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Last Modified: 2010-03-06
Experts,

I have a couple of websites that I want to allow pages that provide .aspx pages to send email.  I am using aspNetEmail dll's and this works fine as long as as I am sending 'internally' to guicorporation.com.  The problem is properly setting up Exchange virtual server as a relay.  I do not want the exchange server to be 'wide open' as a relay but only want the 2 sites (idcreporting.com and idc-cooper.com) to be able to send mail via exchange.  Topology is:

Machine WIN2003ENT runs:
- IIS
- DNS

Machine WIN2003 runs:
- Exchange

How can I configure these is a safe manner (allow only confirmed e-mail from either of these sites) to be sent out and blocking all others.  I read somewhere that I need to configure SMTP on IIS (the WIN2003ENT box) to do this but am confused as to where?!!

Any info would be appreciated....

Thanks,

dmasini
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Question by:dmasini
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2 Comments
 
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Accepted Solution

by:
Erik Pitti earned 2000 total points
ID: 18879844
You could create an Exchange SMTP virtual server that allows relaying only from certain hosts/IP addresses.

Another option would be to use an SMTP connector:
Check the "Domains That Are Not Local to Your Exchange 2000 Server and Exchange Server 2003 Organization" scenario here:
http://support.microsoft.com/kb/260973

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Author Comment

by:dmasini
ID: 18884229
chakote,

I took your second option (Relaying only from certain hosts/IP addresses).

This tested OK.  500 to you!

Thanks,

dmasini
0

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