Spamhaus DBL: Email Blocklist Removal Guide
Right-hand side domain blocklist targeting sending domains and URLs found in spam. Checked against the domain in the From: header and links in the message body. Used heavily by spam…
Spamhaus
Spamhaus ZEN: Email Blocklist Removal Guide
Composite zone combining SBL (spam sources), XBL (exploited IPs), and PBL (policy block list) into a single DNSBL query. The most widely deployed IP blocklist in the world. A listing…
