exchange 2010 send connector and firewall

Greetings,

do I need to configure a send connector in order to email between my 2003 and 2010 servers? 2003 is in the office and 2010 is in a data center. I realize I need to configure one for internet email, but wasn't sure about this.

Additionally, do I need to configure my sonicwall for exchange in order to send between the servers? As stated, they are in different sites, but same domain and we are connected to the data center by a point-to-point circuit. I new I would for internet email, but wasn't sure about this for internal mail.

to note, I successfully moved a test mailbox from 2003 to 2010. I am able to login as that user to 2010 OWA and see emails I have sent to that account from both my work account and an outside account. I am unable to respond though and the replies are stuck in the queue on 2010. I figured as much for the reply to the internet account.

thanks
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king daddyAsked:
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AmitIT ArchitectCommented:
You need to create fresh Send connector in 2010 and point them to ISP. Disable the legacy connectors.

No Send connector required between 2003-2010, you need to create a RG Bidirectional Connector for mail flow between 2003-2010, however it is created by default when you install first 2010 server.
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king daddyAuthor Commented:
thanks. figured out it was a permission issue preventing 2010 emails to be accepted by 2003. I had already created two routing groups, one for 2003 to 2010 and one the other way.

I'm going to close this. thanks
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AmitIT ArchitectCommented:
Thanks for the update.
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