SpamAssassin Rule: DNS_FROM_RFC_ABUSE
Standard description: Envelope sender in dsn.rfc-ignorant.org
The domain of the envelope sender is listed in the DNSBL abuse.rfc-ignorant.org.
The criteria for listing is that the servers listed in the domain's MX records reject email sent to the standard complaint address abuse@<domain> specified in RFC 2142
The default scores for this rule can be found in the online list of tests.
As of October 2012 this DNSBL will be unavailable.