ActiveInbox VS Boomerang for Outlook

Sanebox - SaneBox is a cloud-based service that allows users to filter and manage their emails.

BlueMail - BlueMail is an email management app for Android, iOS, and Windows.

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

Junk Email Filter - Junk Email Filter is a front end spam filtering and virus blocking service for email servers.

Covideo - Covideo is a Video Email Platform for Businesses that enables companies to communicate quickly and effectively with their customers.

Vade Secure - Email security to protect against email-borne phishing, spear phishing, malware, and ransomware. Email security and management based on artificial intelligence.