Andy Smith <a...@strugglers.net> writes: > Hello, > > On Mon, Jul 10, 2017 at 05:18:54PM +0200, Sébastien Gautrin wrote: >> The "stop your mail" and "PLEASE STOP YOUR MAILS" messages are definitely >> not created by the owners of the email, though it might be done by a mobile >> app as suggested. > > I've replied off-list to some of them to explain what (I think) is > happening and they carry on conversation exactly as if they are very > confused humans who just want the spam to stop. > > I've also had my own email address used as the from address of > similar spam, thus forcing me to receive hundreds of "STOP THE MAIL" > responses that look similar to these. At that time I came up with a > boilerplate explanatory email to send back to these complainants, > and any replies I got seemed similarly human-generated. > >> The proof of this is that they all have nearly the exact same content (some >> add the list mail, some don't), all being HTML messages formatted the same >> way. > > It may come as a shock to you but most non-technical email users use > HTML email.
His point wasn't that they're all HTML, it's that they have nearly identical content and identically formatted HTML.