Email spam is a persistent problem, especially today, with the increasing dedication and sophistication of spammers. Even popular social media sites such as Facebook, Twitter, and Google Plus are not exempt from email spam as they all interface with email systems. With an "arms-race'' between spamme
No takes yet. Share an insight, caveat, or question.
De et al. (2013) studied this question.
Synapse has enriched one closely related paper. Consider it for comparative context: