Removed Rulesets
These rules have been removed from the SpamAssassin distribution.
RFC-Ignorant - enable blacklist from http://www.rfc-ignorant.org/
Disabled in 3.3.2 (June 2011) due to poor hit rate and accuracy:
https://issues.apache.org/SpamAssassin/show_bug.cgi?id=6526
score DNS_FROM_RFC_BOGUSMX 0 1.464 0 1.668 # n=0 n=2 score DNS_FROM_RFC_DSN 0 0.001 0 0.001 # n=0 n=2