On extendable software architecture for spam email filtering, IAENG International Journal of Computer Science, vol.34, p.1, 2007. ,
A peer-to-peer architecture for collaborative spam filtering, 2002. ,
Improving spam filtering by detecting gray mail, CEAS 2007 -Fourth Conference on Email and Anti-Spam, 2007. ,
Simple mail transfer protocol, RFC, vol.5321, 2008. ,
Sender policy framework (SPF) authentication failure reporting using the abuse reporting format, RFC, vol.6652, 2012. ,
DOI : 10.17487/rfc6652