> The email client strips out the text/x-amp-html part of the MIME tree when a user replies to or forwards an AMP email message. This is why it is important that an email provide alternative content in the HTML part.
> The email client strips out the text/x-amp-html part of the MIME tree when a user replies to or forwards an AMP email message. This is why it is important that an email provide alternative content in the HTML part.