How to implement ANTISPAM with qmail+fetchmail?

[rogers-qmail]

   From: Kalum Somaratna aka Grendel <[EMAIL PROTECTED]>
   Date: Tue, 4 Apr 2000 19:42:45 +0600 (LKT)

   Greetings all,
   I am a home user who users a dialup (33.6 K) for my work. The trouble is
   that 2 of my addreses have fallen into the hands of spammers and I have
   been reciving spam regularly . . .

   Thanks in advance,
   Grendel

Since it's just for you, a .qmail solution would work.  See the post
from Martin A. Brown on Wed, 16 Feb 2000.

                                        -- Bob Rogers