How To Block Spam Before It Enters The Server (Postfix)

[ Thanks to Falko
for this link. ]

“The last few weeks have seen a dramatic increase in
spam (once again). Estimates say that spam makes now up for 80 –
90% of all emails, and many mail servers have difficulties in
managing the additional load caused by the latest spam, and spam
filters such as SpamAssassin do not recognize large parts of that
spam as they did before. Fortunately, we can block a big amount of
that spam at the MTA level…”


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