Barracuda Email Security Service VS Armor

Trustwave Secure Email Gateway - Trustwave Secure Email Gateway helps protect your email environment against modern threats such as malware, ransomware and phishing, and helps prevent loss of sensitive corporate data.

ObserveIT - ObserveIT insider threat detection & user behavior analytics enables companies to mitigate the risk of insider threats.

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

DeviceLock DLP - DeviceLock provides DLP solutions protecting organizations from data leak threats.

Appriver - AppRiver is an email and web security company, develops SaaS-based anti-spam, hosted exchange, email encryption and web protection solutions.

Cavirin - Cavirin provides security management across physical, public, and hybrid clouds, supporting AWS, Microsoft Azure, Google Cloud Platform, VMware, KVM, and Docker.