Exchange 2003 2010 coexist not routing mail

Trying to figure why the mail just sits in the exchange connector queue and never gets delivered.
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magapieAuthor Commented:
I went into ex2003 and recreated the connectors but it still sits in the queue. My guess is that ex2010 is not accepting the mail.
Shreedhar EtteCommented:
Have you restarted the Transport service on the ex2010 and Simple Mail trassfer protols service on the ex2003.
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Glen KnightCommented:
Check the default SMTP Virtual server properties.
See my article here for further info:

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magapieAuthor Commented:
The default port was changed in smtp.
Glen KnightCommented:
Excellent, that's covered in my article.
If you found my article useful then please don't forget to vote for it :)
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