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I was told that “somecompany.com” was blocked from sending mail to PWAccess, but I still get spam from them. Why?

April 26, 2017blocked mail pwaccess somecompany.com spam

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I was told that “somecompany.com” was blocked from sending mail to PWAccess, but I still get spam from them. Why?

1 Answer

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It is possible that “somecompany.com” was not blocked, or the block was removed for some reason. If someone asks us to block all of “yahoo.com” or some other large site, there would obviously be some problems with doing that. It is also possible that the headers of the message you received were forged to appear like they came from “somecompany.com,” but really came from somewhere else. Spammers commonly use unwitting third parties to “relay” their email to sites that would otherwise block them. (For example, “somecompany.com” uses “3rdpartyvictim.com’s” email servers without them knowing it to send email to PWAccess.net. Unless we also block “3rdpartyvictim.com” from sending email to us, email from “somecompany.com” could still reach us.