Rated 5 out of 5 stars

Από τον/την DavidDavidovich στις Μάιος 19, 2016 · μόνιμος σύνδεσμος

For me it worked well with this patch:
http://www.gramatec.de/quicktext-09.11.7_patch.zip
Uninstall Quicktext - unpack the zip file - drag the xpi file into the add-ons tab in thunderbird. Works great for me.