Good ${greeting_time}, Kees!

12 Sep 2015 11:09:28, you wrote to me:

 AV>> No: blacklisting the IP networks is the only effective way
 AV>> to fight spam.
 KvE> I agree with all your methods. At a later stage I added
 KvE> Greylisting, that seems quite effective when the messages
 KvE> originate directly from a spambot. These bots, have no
 KvE> memory for temporary rejects, a real mail server will try
 KvE> again later, with the same message.

Greylisting was good 5...7 years ago, but now spammers are using either buggy
servers with local relays, or auth data stolen from naive users.


--
Alexey V. Vissarionov aka Gremlin from Kremlin
gremlin.ru!gremlin; +vii-cmiii-cmlxxvii-mmxlviii

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