DCC a success at the University of Manitoba

Sam Leffler sam@errno.com
Mon Mar 31 00:59:03 UTC 2003

> DCC is rejecting 60% of our spam. We add RBL+ and a dialup RBL as well
> as local blacklists to catch the rest of them.

dcc.usenix.org has been in production since at least 6/2002 (it's server ID
1010). It's consistently had a SPAM reject breakdown of ~80% DCC and ~18%
MAPS (RBL+).  Daily average is ~10K inbound messages of which 1K are


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