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.

Verify your customers in under 15 seconds anywhere in the world with a cutting-edge SaaS & API platform for Identity Verification and AML/KYC compliance.

Try for free freemium $0.1 (per credit)

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

Open Source Free Trial $0.81 / Monthly (Per User)

Safeguard your email from abuse

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)

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.

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

Open Source

Stop hackers to send emails from your domain

freemium $8.0 / Monthly

Agari is a data-driven security solution powering real-time cyber threat detection for companies & their customers.

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

Protect mail server against spam, viruses and malware with Proxmox Mail Gateway security for businesses, government, education and non-profit organizations.