Joey wrote:

Hello All,

I have researched this without a 100% clear reason that an exchange server would return this error:

The error that the other server returned was: 550 550 #5.1.0 Address rejected

My guess is it’s an invalid email address that we attempted to be delivered to, but I want to be positive.

Exchange doesn't like your server or something about the message it tried to send.

That's about as specific as you'll be able to get unless you can talk to the Exchange admin and ask him/her what the problem is.

Terry

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