I read the article, and the only mention of blockquotes was in the CSS / HTML it... | Hacker News

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raldi on March 5, 2013 | parent | context | favorite | on: Preventing Unsubscribes in Forwarded Emails

I read the article, and the only mention of blockquotes was in the CSS / HTML itself. I don't see any mention in the article about how it works.

Still, thanks for the explanation. Does every mail client do this (like, due to an RFC) or just the popular ones?

mnutt on March 5, 2013 [–]

It varies between mail clients, but they generally put the forwarded part of the message in either a blockquote or a div with a class that can be targeted. It's how the vertical blue line is produced for the quoted portion.

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