Rated 5 out of 5 stars

Από τον/την a27d1f στις Απρίλ. 27, 2017 · μόνιμος σύνδεσμος

I must have sent myself a dozen emails, altering different configuration options, trying to prevent Thunderbird from turning my messages into plain text, without success. This add-on seems to have done the trick! Thank you, Arivald!