Eighteen Years of Greytrapping – Is the Weirdness Finally Paying Off?
↗A data-rich retrospective on 18 years of greytrapping showing explosive growth in spamtraps (driven by synthetic data in 2024–25), IPv4-only limitations in spam fighting, and the regulatory/standards context around mail handling (RFC 7505), with implications for email security investments and blocklisting practices.
Apr 6, 20261%