No, I think the new update of Thunderbird has nothing to do with this
problem as I am still on the version 2.0.0.14 but I encounter the same
problem of "negative vibes". For sending, the password is endless
requested.
So, here we go like 2 weeks ago ! My log:
http://cjoint.com/?hyr4XBCeYX
Good luck dear Webmail Author!