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SMTP Protocol error occurred

Posted on 2010-08-29
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Last Modified: 2012-05-10
When I configure the connector and then try to send email I get an SMTP Protocol error occurred message and all emails sit in the mail queue with a staus of retry. What can I do to resolve this?
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Question by:Raymond_Worley
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Expert Comment

by:Shreedhar Ette
ID: 33556019
Hi,

Refer this article:
http://www.msexchange.org/tutorials/Configuring-SMTP-Connector.html

Hope this helps,
Shree
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by:Raymond_Worley
ID: 33556836
this is almost the same answer as the article that I used to configure the smart host. I have already done what the solution suggested but then no mail will flow at all. I need to configure all email to go out through a smart host. At the moment when I do as your articles suggest I get the error message " an SMTP protocol error occurred". Therefore, there must be something else that I need to do?
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by:Gianpiero Rossi
ID: 33556837
can u tell us how ur send connector is configured? are you using an external relay smart host? or what else?
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Accepted Solution

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Raymond_Worley earned 0 total points
ID: 33557132
I have managed to configure this now. Thanks very much for your help. The solution was that I had to add the outbound server IP address to the McAfee SAAS control panel. Thanks for your help anyway. It did point me in the right direction to arrive at a solution.
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