Hello. I am using your CDO email code from your website. If I use a normal
e-mail address in the .To line of the code (such as ), it
works fine. But I need to use a somewhat abnormal e-mail address of
. And then I get a run-time error: The srever
rejected one or more recipient addresses. the server response was 550
5.7.1. Unable to relay for .

Any ideas why? Thank you!!