If I'm not mistaken you can also configure your TCLUG subscription to
not send you copies of your own messages. Perhaps you have that option
enabled.

When I send a reply gmail adds my reply to the thread. Have you setup
labels and filters?

-- 
Andrew S. Zbikowski | http://andy.zibnet.us
 A password is like your underwear; Change it
 frequently, don't share it with others, and
     don't ask to borrow someone else's.