RFC-Ignorant
From Wiki.openrbl.org
RFC-Ignorant
Various hostname-based blocklists (RHSBL)
Those lists should not be used for blocking email at SMTP-level,
but most may be used with scoring systems like SpamAssassin
[edit] Listing
Non-RFC compliant domains, various criteria.
Nomination may be done manually via the website
[edit] Zones
Attention: all zones are hostname-based (RHSBL)
- abuse.rfc-ignorant.org (abuse@ must exist per RFC)
- bogusmx.rfc-ignorant.org
- dsn.rfc-ignorant.org (refuses Bounces or DSN)
- postmaster.rfc-ignorant.org (nonexistent postmaster@ must exist per RFC)
- whois.rfc-ignorant.org (don't use for blocking)
