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Tuesday, May 20, 2008
Not necessary!
Are they trying to get blocked?
(see comments)
3 comments:
Anonymous
said...
I assumed that was another system mangling the subject line (and probably adding some headers too). Lately I've been getting a lot of spam where I'm on the return-to-sender line, i.e. the spam was sent to someone else, their mail server rejected it, and then it bounced back to me.
Yeah, I looked deeper at the headers and it seems that some intermediate server kindly added the spam marker (though still allowed it to pass through?). I also get tons of mailer-daemon ones too.
3 comments:
I assumed that was another system mangling the subject line (and probably adding some headers too). Lately I've been getting a lot of spam where I'm on the return-to-sender line, i.e. the spam was sent to someone else, their mail server rejected it, and then it bounced back to me.
Yeah, I looked deeper at the headers and it seems that some intermediate server kindly added the spam marker (though still allowed it to pass through?). I also get tons of mailer-daemon ones too.
the is are two great names for that phenomena: backscatter email, or collateral spam
http://en.wikipedia.org/wiki/Backscatter_%28e-mail%29
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