Exchange 2010 migration internal rely not working for backup notifications

Experts,

Just finished a Migration from SBS 2003 sp1 to Server 2008R2 with Exchange 2010. (thanks demazter for the awesome guide)

during the migration email notifications were coming in just fine, after not so much.

just change the SMTP server name (servername not IP) to the new AD/Exch server.

authentication error after error.

ive also tried with IP address and FQDN nothing seems to work.

HELP
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MutogiIT ManagerAsked:
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Adam BrownSr Solutions ArchitectCommented:
In order to allow relay, you need to set up a Connector that allows the IP address that is sending email to send anonymously. Otherwise you have to configure the backup system to send emails using an account with a valid mailbox. http://technet.microsoft.com/en-us/library/bb232021.aspx has instructions for creating an anonymous relay connector.
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MutogiIT ManagerAuthor Commented:
interesting, i did try sending from my account no luck but let me try connector and ill see what happens....
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MutogiIT ManagerAuthor Commented:
acbrown2010,

This didnt work, still refusing connection.
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MutogiIT ManagerAuthor Commented:
Still not working....Experts?
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MutogiIT ManagerAuthor Commented:
more explanation is always OK with anyone,,,,,,
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