Exchange 2007 unable to send or recieve past the Mail Relay

[sensei1973]

#154289

Hi, need your help please.

Current mail configuration is Exchange 2000 on server 2003. Mail is sent via a 2003 Mail Relay server sitting in the DMZ and not on the Domain.

Have installed Exchange 2007 on to Server 2008 R2.
Have configured the Hub Transport application with the appropriate inbound and outbound connectors both going to the mail-relay sever.
The mail relay server has an inbound ip and a separate outbound ip.

Have moved 2 mailboxes from the old server to the new server.

I am able to send email from one pc to another on the new server.
I am unable to send email out past the new exchange server.

Any suggestions on this would be massively appreciated

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