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We compare 90 email security & blacklist tools on this site, averaging 4.3/5 across the ones we've rated. 26 of them offer a free tier, and 90 offer a free trial, so you can test before committing. Spamhaus is our top-rated pick right now, rated 4.8/5 — see the full Top 10 ranking below for how the rest compare on price, features and support.
What to look for
Pricing that fits your size — check whether Email Security & Blacklist tools price per user, per feature tier, or flat-rate, and whether that scales the way your team will.
The features you'll actually use — a longer feature list isn't better if it's padding; match it against your actual workflow.
Free tier or trial — 27 of the 91 tools we track offer a free tier before you commit to a paid plan.
Support & onboarding — live chat and migration help matter more once you're mid-setup than they seem to upfront.
Integrations — confirm it connects to the other tools already in your stack before you buy, not after.
Spamhaus is our top-rated email security & blacklist pick based on rating and editor review. Check the Top 10 Email Security & Blacklist ranking for how it compares against the other 89 tools we track in this category on price and features.
Is there a free email security & blacklist tool?
Yes — 26 of the 90 email security & blacklist tools we compare offer a free tier, and 90 offer a free trial.
How much does email security & blacklist software cost?
Pricing varies by vendor and is usually quote-based or tiered by usage — see each tool's listing for current pricing.
How do I choose between email security & blacklist tools?
Start with your must-have features and budget, shortlist 2-3 tools from the Top 10 ranking, and use free trials where available before committing to an annual plan.
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