The "Virtual Identity" extension seems to do the trick for me:
https://addons.mozilla.org/extensions/moreinfo.php? application=thunderbird&numpg=10&id=594
Still, it would be nice for Thunderbird to provide this functionality.
The "Virtual Identity" extension seems to do the trick for me:
https:/ /addons. mozilla. org/extensions/ moreinfo. php? thunderbird& numpg=10& id=594
application=
Still, it would be nice for Thunderbird to provide this functionality.