Using styles and only plain text pasting is the issue, not fixing the messed up pastes after the event.

But the request is in there. It has been languishing for a decade. But it is there. https://bugzilla.mozilla.org/show_bug.cgi?id=417157

Thanks for your reply, can't we get some momentum to get this developed? Every client has this. It can be so frustrating fiddling with fonts, some fonts remain large some small. It's annoying when some emails are serious in nature and what I can see at my end is what looks like poor formatting which undermines the tone of my email