Disposable Email Domains List vs Spamhaus Policy Blocklist (PBL): Side-by-Side Comparison (2026)

Disposable Email Domains List: A collection of disposable and temporary email address domains used for spamming or abusing services..

Spamhaus Policy Blocklist (PBL): DNSBL of end-user IP ranges that should not send email directly to MX servers. built by Spamhaus. Core capabilities include Real-time DNSBL query service for blocking unauthorized SMTP connections by IP, Covers 1.4B+ IPv4 addresses (~40% of routable IPv4 space) in CIDR format, Includes both dynamic and static end-user IP ranges from ISPs and network operators..

Both serve the Threat Intel Feeds market but differ in approach, feature depth, and target audience.

Disposable Email Domains List is open-source with 4,854 GitHub stars. Spamhaus Policy Blocklist (PBL) is developed by Spamhaus. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Disposable Email Domains List and Spamhaus Policy Blocklist (PBL) serve similar Threat Intel Feeds use cases: both are Threat Intel Feeds tools, both cover Spam Prevention. Key differences: Disposable Email Domains List is open-source. Review the feature comparison above to determine which fits your requirements.