Thanks for hi-jacking my thread. :P
Your MUA, like many/most, does something behind your back when you use "Reply"
instead of "New Message". In particular it has headers like these:
Changing the subject line does NOT start a new thread when you use the "Reply"
feature, because of these headers.
Boyd Stephen Smith Jr. ,= ,-_-. =.
firstname.lastname@example.org ((_/)o o(\_))
ICQ: 514984 YM/AIM: DaTwinkDaddy `-'(. .)`-'