Spam & Bulk Abuse
The "clogging the harbor" attack. This section covers the non-malicious (but still harmful) "threat" of simple, high-volume, unsolicited spam, which "clogs" servers and "drowns out" legitimate mail.
Questions about Spam & Bulk Abuse
What are common spam types (commercial, scams, affiliate)?
How do spammers harvest email addresses?
What are spam bots?
What is snowshoe spam?
What is hit-and-run spam?
What is “list bombing”?
What is spam trap seeding?
What is content obfuscation in spam?
How do spam filters evolve over time?
What is Bayesian spam filtering?
What are machine learning spam filters?
How does engagement factor into spam detection?
How can legitimate senders get caught in spam filters?
What are “spam fingerprints”?