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550 mailbox unavailable

Hi experts
I'm switching from a hosted email solution to hostine my own email on Exchange running on an SBS 2003 r2 box. When I telnet the server and try to send mail, I receive a 550 error, requested action not taken mailbox unavailable. This happens when I use the address "anyuser@mydomain.com". If I use an address "anyuser@mydomain.local" the mail goes right through. Checking the eMail addresses tab in user managment show "anyuser@mydomain.com" as the default SMTP address.   I can also get delivery when I send to "anyuser".  Additional, ".mydomain.com" is listed as the qualified domain name in Exchange config. Any help would me greatly appreciated. Thanks. Sharquet
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Sharquet
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Sharquet
1 Solution
 
Steven WellsSystems AdministratorCommented:
Can you receive email normally to the fully qualified domain, without any telnet use?
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jderaCommented:
When you set up the exchange server on the SBS did you go thru the mail wizard and configure with the correct domain name?

Check out:

http://www.msexchange.org/tutorials/Installing-and-Configuring-SBS2003.html
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SharquetAuthor Commented:
I haven't updated the mx records to point to the exchange server as yet so the pop3 connector is still retreiving my mail from the ISP's, so I can't check normal delivery using the fully qualified domain. I did, however make my exchange server the outgoing mail served on a machine outside the domain and tried to send using the fully qualified domain and received the same error. I did run the wizard on set up and entered .mydomain.com as the fully qualified domain. Thanks experts.
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