SpamTitan and Hornetsecurity are popular for their ease of use, competitive pricing, and multi-tenant capabilities for managed service providers.
“Proofpoint is probably the best on security but is very bloated, cumbersome, and takes a lot more time to administer.” Reddit · r/sysadmin · 1 year ago best hosted spam filter
Proofpoint remains a leader for its 99.999% accuracy and specialized protection for high-value targets, though it is often noted for its administrative complexity. SpamTitan and Hornetsecurity are popular for their ease
In 2026, the "best" hosted spam filter depends heavily on your scale, but and Abnormal AI are frequently cited as top-tier solutions for their high detection accuracy and forward-thinking security models. Top-Rated Hosted Filters by Use Case best hosted spam filter