The connection dropped due to an smtp protocol event sink

Hi,

Im relaying my mail via the a connector which points to Postini and when Im viewing the queues in EMS, it shows me the above error message.

The email queue never gets higher than 1500 and the messages are all txt based, whats your advice for me to troubleshoot this issue

thanks
daiwhyteAsked:
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Hilal1924Commented:
Use SMTPReg.vbs and enumerate all your event sinks and check which third party sinks are installed, Could be a local Anti-Virus or Archiving software etc. Download the script from here:

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/smtpevt/html/6b7a017e-981e-45a1-8690-17ff26682bc7.asp

More Information Here:
http://msexchangetips.blogspot.com/2006/08/exchange-how-to-view-all-registered.html


Disable the third party sinks temporarily and see if it resolves the issue.

Best of Luck,
Hilal
daiwhyteAuthor Commented:
I can confirm there is no local anti-virus nor archiving on this server since its still in test.
Hilal1924Commented:
Did you enumerate and Verify the event sinks?

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daiwhyteAuthor Commented:
Thank you.
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