Ok, I have had this problem for awhile and I can't find any info on it.
I am using thunderbird 1.5 in testing. All the other mailing lists that
I have subscribed to work fine. When I see a post that I want to
respond to, I simply click the Reply button and it will bring up a new
box with the message and the "To" field will be set to the correct
mailing list.
However with all the debian lists, if I click reply, it will open a new
box and the "To" field will be set to the user that sent the message and
not the debian list. I will have to delete the users name, and then
manually type in the correct list. Sometimes using "Reply to all" will
kinda work. The original user will be in the "To" field and the list
will be in the "CC" field, sometimes but not always.