Rated 5 out of 5 stars

Από τον/την alberto.villar στις Απρίλ. 5, 2019 · μόνιμος σύνδεσμος

I have been using this add-on during years (so with different versions of Thunderbird). I could always send 10-20 MB files perfectly.
I'm now using it to attach 300+MB files and I can say it performs as expected.

Very good and stable tool.