Spam Filtering and Malware Protection - 2026 Pricing, Features, Reviews & Alternatives

Hornetsecurity Spamfilter is a spam filter service designed to help enterprises detect and protect email mailboxes from spam, malware and viruses using a range of features including spam recognition and virus detection, adjustable content filters for unwanted attachments, and statistics, plus encrypted data traffic, bounce management functionality, and more. As a cloud-based solution, Hornetsecurity Spamfilter offers a secure, centrally-managed service, with automated installations, updates and 24/7/365 monitoring.

With guaranteed spam and virus detection of 99.9%, Hornetsecurity Spamfilter protects the user’s mail server from DDoS (Distributed Denial of Service) attacks and phishing emails. By blocking most spam upon arrival, the user’s quarantine remains clear and straightforward to manage. Hornetsecurity Spamfilter also protects legitimate email traffic, storing incoming emails for up to 7 days when the email server is down, and delivering them automatically when the server comes back online. Email archive services enable users to receive, send and archive emails, as well as maintain data integrity.

Hornetsecurity’s spam filter service supports transparency and monitoring, allowing users to determine rules for the use and monitoring of emails through a role-based rights management system. Monitoring tools enable users to collect and analyze statistical email data and track live emails. Users can define policies and gain an overview of complete email traffic conveniently from a centralized, web-based control panel. Hornetsecurity filters spam safely and automatically, and delivers spam reports per the user’s requirements. TLS technology helps encrypt data traffic, and eliminate the possibility of spying on email data while transporting emails through the Internet.