That's what the LaTeX It! Thunderbird add-on [1] does I think. Good extension by the way. Not sure it will work with Thunderbird 68, I didn't check. [1] https:

That's what the LaTeX It! Thunderbird add-on [1] does I think. Good extension by the way. Not sure it will work with Thunderbird 68, I didn't check. [1] https://addons.thunderbird.net/en-US/thunderbird/addon/latex-it/ https://addons.thunderbird.net/en-US/thunderbird/addon/latex...