Knowledgebase: WHM > Email > Greylisting
Posted by Matthew Jeffels, Last modified by Matthew Jeffels on 23 December 2016 03:58 PM


Greylisting is a method of defending your servers email users against spam. 

When you enable this the mail server will temporarily reject any email from a sender the server doesn't recognize temporarily. Legitimate senders should re send the message after the delay, where as spam accounts often do not.


Matt Jeffels
PAC Web Hosting

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