I am using Greylisting since quite some time to keep malware away and I have to admit, it is a blessing: As many malware and spam programs do not respect the RFC, they just try to deliver their load just once – so they fail and we do not have to do analytics work on it.
Tag: greylisting
Greylisting to fight spam
As soon as I got a solution against comment spam, the mailserver is flooded with junk. Spamassassin, my mailfilter is working great, but it is a waste of ressources to analyze every bit knocking at my mailserver. What I want to do is taking load off the filter process. First of all, regarding the smtp protocol, the other […]