Exchange 2007 mailboxes can't send or receive e-mail

In Exchange 2007 Coexistence with 2003, mailboxes I move to 2007 can not send or recieve e-mail even internally. E-mails sent to them are delayed. E-mails they sent just sit in the Outbox.
CanyonTechAsked:
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endital1097Commented:
make sure your hub transport server is not suffering from back pressure
http://technet.microsoft.com/en-us/library/bb201658(EXCHG.80).aspx
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CanyonTechAuthor Commented:
Hi endital1097. Thanks for responding. Based on what the article says, I don't see any evidence that the Exchange Server is suffering from back pressure. Any other ideas?
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endital1097Commented:
verify that all of the services are running. sitting in the outbox sounds like a service is stopped, check the "microsoft exchange mail submission" on mailbox server and "microsoft exchange transport" on the hub
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CanyonTechAuthor Commented:
The mailbox and hub are on the same server. The Microsoft Exchange Transport was disabled. I started it and set it to automatic, but still no luck. Here are the other Microsoft Exchange Services that are stopped or disabled.

Anti-spam Update
EdgeSync
File Distribution
IMAP4
Monitoring
POP3
Server Extension for Windows Server Backup
Service Host
Transport Log Search
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endital1097Commented:
start the following
Anti-spam Update
EdgeSync
File Distribution
Service Host
Transport Log Search
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CanyonTechAuthor Commented:
So, before I do that, I started the IMAP4 service and mail started flowing. Should I still enable those services and start them?
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endital1097Commented:
yes, imap was a coincidence (it is for retrieval only)
there was just a delay from the others
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CanyonTechAuthor Commented:
It's working now. Thanks for your help.
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endital1097Commented:
be careful with update rollups too, i've seen instances where it does not start all of the services back up
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CanyonTechAuthor Commented:
Will do. Thanks.
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