Mimecast Secure Email Gateway
Proofpoint Email Security and Protection
FortiMail
Barracuda Email Security Gateway
Barracuda Email Security Service
Symantec Email Security.cloud
Forcepoint Email Security
FuseMail
SonicWALL Email Security Series Appliances
FortiMail
Proxmox Mail Gateway
Thunderbird
FuseMail
Malwarebytes
SpamExperts
Dropbox
Proofpoint Email Security and Protection - Learn about Proofpoint's email security solutions that protect organizations against threats such as email fraud, phishing, spam, bulk email, and viruses.
FortiMail - 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.
Proxmox Mail Gateway - Protect mail server against spam, viruses and malware with Proxmox Mail Gateway security for businesses, government, education and non-profit organizations.
Barracuda Email Security Gateway - Barracuda's Email Security Gateway is a powerful antivirus filter specifically designed to identify and eliminate email-borne threats, stopping hazards before they reach the network.
Thunderbird - Thunderbird is a free email application that's easy to set up and customize - and it's loaded with great features!
Barracuda Email Security Service - Secure Email Gateway