All,
the mail server may not be broken, but it is not performing an important functionality which is: Not mailing or posting the responses to the individual that made the response. (This is almost like ... "Who's On First?...What's On Second"

) Just as I am responding to this thread, I will not see my response, until someone else responds to this thread. There was a time when one would see everything posted to a particular thread, regardless of the "respondee".
As a test to better illustrate..... on the server watch this response. I have added my logon and date in title. If what I am saying is true, everyone will receive a copy except me. So this particular response should remain on the mail server.