What is a markdown email? Is it a mail body written in markdown, using the unprocessed markdown for the text/plain part, and generating a html part from the same?
Pretty sure you could to that with pandoc and heirloom mailx or something similar.
Re:Show HN: Maildown – Super Simple Email API
by chris140957 on Saturday May 25, 2019 @01:22PM
(#20010144)
That's pretty much it. Maildown reduces this process to a one liner, however
I'd actually love to be able to do this now that I think about it (I'm sure there's ways to do this already)