Spamhaus Policy Blocklist (PBL) is a free email security platforms tool by Spamhaus. Suped is a free email security platforms tool by Suped. Compare features, ratings, integrations, and community reviews side by side to find the best email security platforms fit for your security stack.
CST VerdictBased on our analysis of NIST CSF 2.0 coverage, core features, integrations, company size fit, here is our conclusion:
Email security teams protecting against compromised end-user machines sending spam will find Spamhaus Policy Blocklist most valuable for its real-time DNSBL coverage of 1.4 billion IPv4 addresses, roughly 40 percent of routable space, updated continuously from ISP submissions and botnet research. The free pricing and native integrations with SpamAssassin and Rspamd make it a straightforward addition to existing mail stacks without budget negotiation. Skip this if your organization needs IPv6 coverage as the primary defense; PBL includes IPv6 but the legacy IPv4 focus reflects where the actual compromised end-user traffic originates.
Startup and SMB security teams drowning in DMARC aggregate reports will actually get value from Suped because it converts RUA and RUF data into actionable dashboards instead of leaving you to parse XML files manually. The free tier removes the budget barrier for domain authentication monitoring, and unlimited domain tracking means you're not nickel-and-dimed as you scale. This is not the tool for organizations needing post-breach forensics or detection beyond email spoofing; Suped stays in its lane with DMARC policy hardening and won't replace your broader email security stack.
DNSBL of end-user IP ranges that should not send email directly to MX servers.
Email deliverability platform that provides DMARC monitoring
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Common questions about comparing Spamhaus Policy Blocklist (PBL) vs Suped for your email security platforms needs.
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..
Suped: Email deliverability platform that provides DMARC monitoring. built by Suped. Core capabilities include DMARC Report Analysis: Automatically processes complex aggregate (RUA) and forensic (RUF) reports into a simple dashboard., Real-Time Threat Alerts: Instant notifications for potential domain spoofing and phishing attempts., Guided Policy Enforcement: Step-by-step guidance to safely strengthen your DMARC policy to p=reject without blocking legitimate email...
Both serve the Email Security Platforms market but differ in approach, feature depth, and target audience.
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