Always HTML

Z 5 z 5 gwězdkow pógódnośony

wót a27d1f dnja Apryl 27, 2017 · trajny wótkaz

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!