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Send domain Emails outside the local network.

paulfarmer
paulfarmer asked
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Last Modified: 2013-11-30
We have Exchange Server 2003 on our SBS 2003.  We host our Email with a third party.  The Exchange server checks Email via POP3. Our Domain is hamiltonvalley.com.  We have a remote office where we setup another computer.  I setup Outlook at the remote office to check the email for remoteoffice@hamiltonvalley.com via POP3 to the third party that host our Email, not the exchange server.

The remote office can send and receive Email just fine.  However, when we (in the local office) try and send an Email to remoteoffice@hamiltonvalley.com, the exchange server says it can't find remoteoffice since they are not on the local domain.  How do I tell the exchange server to send the emails to the third party host to be sent?
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This is not a domain issue as the domain/MX Record is the same HiltonValley.com. The issue here is that you dont have an email or alias set properly on the exchange server to recognize the local office emails.
paulfarmerIT Directory

Author

Commented:
I'm a little confused.  Could you explain?
Try sending to remoteoffice@hamiltonvalley.com from another source (EG:Yahoo Mail, GMAIL, etc...) and tell me if this gets bounced back as undeliverable then I can diagnose further.
paulfarmerIT Directory

Author

Commented:
The remote office can send and receive Email just fine.  We just can't send to remote office from within our local network.
So you CAN send to remote office from outside world? I need this answered to help....
paulfarmerIT Directory

Author

Commented:
Yes
Jeffrey Kane - TechSoEasyPrincipal Consultant
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Commented:
This is a very common question... which I've answered here:  http:Q_21877908.html

Jeff
TechSoEasy
paulfarmerIT Directory

Author

Commented:
Jeff,
Thanks for the respinse. I understand this concept, but it doesn't work.  Maybe you can help.  Our thrid party mail provider is 1&1. Their incoming mail servers are pop.1and1.com and imap.1and1.com.  Their outgoing mail server is smtp.1and1.com.  Which one should I put in the forward box?  I tried smtp.1and1.com and I still got an undeliverable message.  

One thing I noticed in My 1&1 manual is that their SMTP server requires authentication.  Could that be the problem?

Thanks,
Paul
Jeffrey Kane - TechSoEasyPrincipal Consultant
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Commented:
No, you don't want to use their domain name, you need to use the FQDN that's in your domain's MX record, which should be something like mail.hamiltonvalley.com
Jeff
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Commented:
This one is on us!
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paulfarmerIT Directory

Author

Commented:
The mx01.1and1.com got it.  

Thanks,
Paul
Jeffrey Kane - TechSoEasyPrincipal Consultant
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Most Valuable Expert 2016
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Commented:
Cool beans!  :-)
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