- Multipart MIME has existed for 30+ years. https://www.w3.org/Protocols/rfc1341/7_2_Multipart.html
- HTML and CSS spec for email: https://www.caniemail.com
- Redoing the world is a non-starter, it avoids compatibility and avoids solving problems that exist now and instead recreates the same problem all over again.
- Multipart MIME has existed for 30+ years. https://www.w3.org/Protocols/rfc1341/7_2_Multipart.html
- HTML and CSS spec for email: https://www.caniemail.com
- Redoing the world is a non-starter, it avoids compatibility and avoids solving problems that exist now and instead recreates the same problem all over again.