Mail not being delivered to local SMTP address

Hi all,
I'm running Exchange 2000 SP3 in a windows 2000 domain (sp4 DCs) and I'm unable to send a message to my local address from an application that is using SMTP mail service to send messages. (it's a backup software program emailing notifications when the backup finishes).  In my AD account / email addresses tab I have two addresses and , and mail sent to my address at will not work and will work. The message just doesn't come through to my inbox.   I noticed that the send from address will work from but sending mail 'to' will not from within the backup program. I've tried changing the default email address and tried adding the email domain inside the recipient policies as well.  External mail coming in will work on Any ideas the internal messages sent through the Backup program via SMTP server will not? I'm will be moving email boxes over to a new server soon and I'm making sure everything is working fine before I do it.
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Do you receive any NDR Back?
Any errors logged anywhere?

Try entering IP Address of the machine running that "Backup Software Program" under "Relay"
Property of "Default SMTP Virtual Server" ... Access Tab ... and Relay Button

On the SMTP Virtual Server, you can use the Connection button to specify which IP addresses your virtual server will or will not accept mail from.

Make sure that you have only the option "Only the list below" selected and that you have entered the ipaddress of the backup server there.
DeanUnitedAuthor Commented:
Maharajkp - Is there a exchange server log somewhere?

Munichpostman- I can send email from the backup server under a different domain name (ie. and it works already so I don't think it's an IP thing, but more of a domain name thing.

Thanks for you help so far...
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Do a Telnet Test from your Backup server to your Exchange Server

make sure "mail from:" and "rcpt to:" commands are successful
DeanUnitedAuthor Commented:
Maharajkp-do you have another link . the one you provide is not working....I got the telnet service , just need to know how to start the program that allows the 'mail from' and 'rcpt to' commands to run. Thanks
Telnet to Port 25 to Test SMTP Communication

Using NSlookup.exe

How to obtain Internet Mail Exchanger records with the Nslookup.exe Utility


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DeanUnitedAuthor Commented:
Thanks Maharajkp.
I ran the SMTP telnet tests and found out that I could not relay from I looked up the error it gave me:

I needed to add another recipient policy for the new domain name Once I did I could send messages to my email address via smpt from the backup servers.
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