I've been using Thunderbird for a few years now and lately it has been very annoying when the first letter of a sentence is not capitalised even when I've used the Shift key. I'd also really appreciate that my name keeps its capitalised first letter after I go to the trouble to do this and it reverts back to a lower-case letter.
How about it, Thunderbird? Can you fix this, please? Or do I find another more efficient email program?