Trend Micro InterScan Messaging Security Alternatives

Fortinet Email security is designed to block ransomware, phishing, and other cyber threats seeking entry via incoming email and outgoing messages don’t improperly leak sensitive data.

Secure Email Gateway

Ensure healthy website performance, uptime, and free from vulnerabilities. Automatic checks for SSL Certificates, domains and monitor issues with your websites all from one console and get instant notifications on any issues.

Try for free freemium $9.0 / Monthly (Lite plan)

Prevent targeted email-borne attacks with Mimecast Secure Email Gateway for cloud-based anti-virus and anti-spam protection.

SonicWall Email Security appliances are ideal for organizations that need a dedicated on-premises solution.

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

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

Open Source

logstash is a tool for managing events and logs.

Secure Email Gateway

Malwarebytes protects you against malware, ransomware, and other advanced online threats that have made antivirus obsolete and ineffective. Free Anti-Malware & Malware .

Our HuMachine™-based, Next Generation endpoint security delivers multi-layered protection for multiple platforms – including Linux servers and endpoints – to detect suspicious behavior and block threats, including ransomware.

Download the best FREE antivirus for Windows-based desktops, laptops, & tablets and get the core protection against viruses, spyware, phishing & dangerous websites.

MailScanner is a open source email security system design for Linux-based email gateways.

Cisco IronPort Web Security Appliance