Prefer-Plain: Hide vendor-specific subparts of multipart/alternative
They're a variant of the "normal" plain text or HTML, but for display on the Apple Watch.
https://freshinbox.com/blog/behold-the-watch-html-mime-type/
Edited by Milan Crha
They're a variant of the "normal" plain text or HTML, but for display on the Apple Watch.
https://freshinbox.com/blog/behold-the-watch-html-mime-type/