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Outlook loosed SMTP functionality

By cliffmyers ·
Our school has both internal and external e-mail. Internal e-mail is handled by an Exchange 2000 Server. External e-mail is a POP3 and SMTP Internet E-mail service. On all workstations, staff use Outlook 2000. It is set up with one profile. Two services are configured, an internet e-mail service, and an Exchange Service. It worked great until our A site made a change to require SMTP authentication. For some reason, this caused our Outlook Clients to look to our Exchange server for routing and for return addresses rather than the external Communigate Pro box.

Outlook should have looked to our external Communigate Server (external SMTP and POP3) and should get the return address from its own settings. Once this change took place, even if it was changed back, Outlook still pulled the Return address from the Exchange Server rather than from itself.

I believe there must be a registry key that was changed which is forcing Outlook to look to the Exchange server for its SMTP return address. To fix the problem we created new SMTP settings in the Exchange server.

Nevertheless, I would like to identify why the Outlook Client now "always" looks to Exchange rather than getting the return address from the settings in Outlook itself. This occurs regardless of the OS. It has happened with Windows 98SE, Windows 2000, and Windows XP, all runing Outlook 2000.

Outlook seems to have lost its ability to function on its own with internet e-mail service, unless the Exchange service is deleted. Then it works fine. When the Exchange service is set back up, it once again attempts to get the SMTP return address from Exchange.

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