> What I found out is that the email content is searched for email > addresses and if some hash of that email address matches, the email is > rejected. It's the full email address. Only the domain part does not > trigger the issue.
Yeah. To my knowledge, the idea of hash blocklists was first publicly proposed in M3AAWG 41, October 2017. https://msbl.org/ebl.html has the details. Ever since, Spamhaus HBL has come up (to address not only email addresses but also files and cryptocurrency wallets) and it seems that even more people have taken up the mantle now. -- Atro Tossavainen, Founder, Partner Koli-Lõks OÜ (reg. no. 12815457, VAT ID EE101811635) Tallinn, Estonia tel. +372-5883-4269, https://www.koliloks.eu/ _______________________________________________ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop
