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|As of [[http://www.rfc-ignorant.org/endofanera.php|October 2012]] this DNSBL will be unavailable.
SpamAssassin Rule: DNS_FROM_RFC_BOGUSMX
Standard description: Envelope sender in bogusmx.rfc-ignorant.org
The domain of the envelope sender is listed in the DNSBL bogusmx.rfc-ignorant.org.
The criteria for listing is that the domain's MX records are not in compliance with current RFC guidelines. For example, an MX record must not point to an unroutable address such as those listed in RFC 5735
The default scores for this rule can be found in the online list of tests.
As of October 2012 this DNSBL will be unavailable.