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I would like to use my ISP's outgoing SMTP Relay. So in Exchange 2003, I go into the System Manager -&gt; Connectors -&gt; ISP SMTP Relay. I went to the properties there, then in the General tab -&gt; &quot;Forward all mail through this connector to the following smart hosts&quot;. I put my smtp.myisp.com adress. But where do I put the authentication credentials for this? I need to put in the username and password my ISP gave me or else this fails. How do I do this?
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I would like to use my ISP's outgoing SMTP Relay. So in Exchange 2003, I go into the System Manager -> Connectors -> ISP SMTP Relay. I went to the properties there, then in the General tab -> "Forward all mail through this connector to the following smart hosts". I put my smtp.myisp.com adress. But where do I put the authentication credentials for this? I need to put in the username and password my ISP gave me or else this fails. How do I do this?

Where do I put outgoing SMTP authentication settings for Exchange 2003 server?

Interactions between email servers and clients are governed by email protocols. The three most common email protocols are POP, IMAP and MAPI. Most email software operates under one of these (and many products support more than one).  The correct protocol must be selected, and correctly configured, if you want your email account to work.

Email Protocols

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.