Reply to post: Re: Greylisting

The last post: Building your own mail server, part 1

Ken Moorhouse Silver badge

Re: Greylisting

In some cases it may be being re-sent, but is coming through from a different IP address. If you have a facility to ignore the IP address, but can verify that it is from the same email address then Greylisting can still work. Not ideal I agree, because these things could be spoofed, but spammers are after the low-hanging fruit..

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