Recently I have installed exchange server2003, and configured outside email also its working fine, I can send and receive mails form yahoo, hotmail, gmail, but some domain I can not send but I can receive mails from these domains. I am getting following error message
Your message did not reach some or all of the intended recipients.
Could not deliver the message in the time limit specified. Please retry or contact your administrator. <mailservername.com #4.4.7>
In my server there is no restriction it is open send and receives for all.
What could be the problem please help me on this
Thanking you in advance.
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