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Exchange 2000 pop3 access sending out

Hi,

I have setup pop3 access on our Exchange 2000 server.  I have also opened up port 110 on our firewall.   I am setting up Outlook Express for a home user to be able to get their mail from the exchange server.

The setup of Outlook Express works great.  We are able to download the user's e-mail from exchange.  The problem we are having is when the user tries to send out from Outlook Express via the exchange server.  We get the error of unable to relay for an address outside of the exchange server, yahoo, hotmail, etc....  We are ok if sending to an internal address.

I am guessing that I need to enable relay from inside of the network?  


Thanks!

Monty
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montyjenkins
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montyjenkins
1 Solution
 
travalCommented:
Open up authenticated relay only.  If you enable open relay you are going to get your smtp server black listed.

In Exchange System Manager, under the properties of the SMTP Virtual Server select the Access tab, then click the Authentication button.

Select the Relay button, and from the Relay Restrictions dialog box, there's an option to "Allow all computers which successfully authenticate to relay, regardless of the list above." check box.

Restart the Simple Mail Transport Protocol (SMTP) service after making any changes.
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