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The domain from the other use block you from their spam filter.<br />
Ask them to remove your domain and that will fix the problem.<br />

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The domain from the other use block you from their spam filter.
Ask them to remove your domain and that will fix the problem.


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I have an email address that is outside the organization but anytime someone tries to send an email to it they get a NDR respose that states that they do not have permission to send to this recipient. &nbsp;I can send to this person from my home email but not from the exchange server. &nbsp;Also, the NDR comes back very fast making me think it is on my server.
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I have an email address that is outside the organization but anytime someone tries to send an email to it they get a NDR respose that states that they do not have permission to send to this recipient.  I can send to this person from my home email but not from the exchange server.  Also, the NDR comes back very fast making me think it is on my server.

Do not have permission to send to Recipient.

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.