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Ask the administrators of mail.btconnect.com to add the IP of your server(s) that you use to send messages to their allowed relay list.
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Ask the administrators of mail.btconnect.com to add the IP of your server(s) that you use to send messages to their allowed relay list.

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Setting up our own domain to pass through BT. <br />
BT have enabled an allow mail relay for our domain.<br />
We can no longer send mail out SMTP through mail.btconnect.com.<br />
&nbsp;<br />
How do I set up the SMTP connector to authenticate with BT? <br />
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Mail is held up in the Outbound Queue with error message &quot;Remote SMTP service rejected AUTH negotiation&quot;. <br />
<br />
I have tested the set up using Outlook Express on the server and both collection from our domain name ISP and sent mail authenticated to BT works correctly. ie we have the correct passwords etc. &nbsp; 
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Setting up our own domain to pass through BT. 
BT have enabled an allow mail relay for our domain.
We can no longer send mail out SMTP through mail.btconnect.com.
 
How do I set up the SMTP connector to authenticate with BT? 

Mail is held up in the Outbound Queue with error message "Remote SMTP service rejected AUTH negotiation". 

I have tested the set up using Outlook Express on the server and both collection from our domain name ISP and sent mail authenticated to BT works correctly. ie we have the correct passwords etc.   

How to set up Exchange SMTP for mail relay with BT

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.