Hornetsecurity Alternatives

Proofpoint provides cloud-based email security, e-discovery and compliance solutions for companies to protect sensitive business data.

Mimecast Gateway is a SaaS-based email security solution that uses sophisticated, multi-layered detection engines and intelligence to protect email data and employees from malware, spam, advanced threats and zero-day attacks.

Protects your company by blocking spam and virus before they reach your network.

paid Free Trial €4.9 / Monthly (1 domain with 100 MB traffic)

Safeguard your email from abuse

Symantec Email Security.cloud provides always-on, inbound and outbound email security against malware, targeted attacks, and advanced threats

Barracuda Essentials offers advanced Office 365 security features including email scanning, archiving, backup & recovery, and real-time phishing defense.

Comprehensive Email Protection. 99.99% Spam Detection. Blocks phishing, viruses, malware and other email threats.

open-source Free Trial $0.81 / Monthly (Per User)

MailRoute is a secure, hosted email filtering service that you can have up and running in minutes without any hardware or software to install.

SpamTitan is an anti-spam email solution specifically developed to meet the demands of modern business. Delivering a spam detection rate over 99.9%

Securence is a managed spam service offering anti-spam and anti-virus filtering technologies.

Reflexion is a cloud-based email security, archiving, encryption, and continuity for managed service providers

Cisco Email Security protects against ransomware, business email compromise, spoofing, and phishing.

Use this program to "Unspam" your mailbox(es).