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From the spec: > 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

From the spec: > 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.

MereInterest 8y ago
That sounds like it avoids accidentally breaking email forwarding by intentionally breaking email forwarding.