That might be intractable. Some clients will rewrite/corrupt (whatever you want to call it) messages before sending. Like maybe it reflows paragraphs and ruins your inlined diff. Or it helpfully replaces tabs with spaces (the project requires tabs).

So what can you do with that? Doesn’t seem like you can do anything.

Outlook seems especially bad. [Here] is some HN hearsay about how even Microsoft had to run Linux machines in order to contribute to the Linux project.

[Here]: https://news.ycombinator.com/item?id=12621135