spam filter

(redirected from black hole list)
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spam filter

A piece of software designed to delete spam or to redirect it into a folder separate from the user’s main email inbox.
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The best way to avoid being put on a black hole list is to be vigilant about any abuse or misuse of your internal email system(s), to monitor any messages (including messages on the various anti-spam message boards) that may mention your company or its trademarks, and by establishing and maintaining an incident response capability (which includes, of course, advice from legal counsel) to help respond both to fictitious spam and to potential black holes.
They do this either to avoid being put on black hole lists themselves, to obtain a "friendly" email address, or to fool recipients about the source of the email.
Someone had reported to them that "spam" (not a meat product but unsolicited junk email) had been coming from the server - and without either judge or jury, Maps put it on what they call their "real time black hole list".