Ah. I learned something. Now I have to get mail to remember the new address of this list and stop giving me the old one when I start typing "x..." Otherwise I might be tempted to reply to an old message to start a new thread. Jim On 4-Oct-04, at 11:44 AM, Doug McNutt wrote: > There are two headers that are used by some, but not all, mail agents > that are designed to support threads independently of subject text.