Rated 4 out of 5 stars

Από τον/την phubert στις Αύγ. 21, 2015 · μόνιμος σύνδεσμος

BUT - it's incompatible with Thunderbird 40
Four stars for what it WOULD do for me could I install it! :-)
Now, if charging a fee or even accepting a voluntary 'fee' would help - why not do it??