[MlMt] Default to plaintext outgoing messages?

[Randall Meadows]

On 22 Feb 2021, at 18:31, Guillaume Barrette wrote:

> Hi Randy,
>
>    If you go into MailMate at `Preferences -> Composer -> Rich Text 
> (HTML)` and set the `Markup syntax` to `None` you should now have your 
> New Message set to `Plain text` by default instead of `Markdown`.

Hmmm...I thought I'd tried that, but apparently not, because this indeed 
did the trick!  Thanks.