Comment 95 for bug 222208

(In reply to clemens from comment #79)
> 11 years of not resolving this bug? Just close it then and be a man about it.
>
> My (horrible) solution is an AutoHotkey script which keeps feeding the
> password (stored in the AutoHotkey script) into the login dialog

A better workaround is to use the Saved Password Editor.
After you entered the password you'll get the thunderbird password prompt
with username and password filled and only have to hit enter.
See here:
https://addons.mozilla.org/de/thunderbird/addon/saved-password-editor/