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What is greylisting?


Greylisting is a new popular feature for spam fighting, similar to whitelisting and blacklisting. Each time a mailbox receives an email from an unknown contact (IP), that mail is rejected with a "try again later" message. This means that all mail gets delayed at least until the sender tries again. This is where spam messages fail because they are not RFC compliant and will not be resent later.

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Article details
Article ID: 148
Category: Other Email related questions
Date added: 2012-11-19 13:44:02
Views: 14
Rating (Votes): Article rated 3.7/5.0 (3)

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