You first - what is the exact error message they get?

--�
Milly Staples [MVP - Outlook]

Post all replies to the group to keep the discussion intact. All
unsolicited mail sent to my personal account will be deleted without
reading.

After furious head scratching, cluelessintennessee asked:

| I also put this question in another forum. I'm using Outlook 2003 for
| the first time. When I email someone, they can't reply. They get some
| kind of message. They can, however, initiate an email and I will get
| it, but they can't reply to mine. Any help? Please