What are some alternatives?
When comparing Zix and Barracuda Email Security Service, you can also consider the following products
Microsoft Exchange - Secure Email Gateway
Mimecast Secure Email Gateway - Prevent targeted email-borne attacks with Mimecast Secure Email Gateway for cloud-based anti-virus and anti-spam protection.
Virtru - Virtru is your data privacy force field, wrapping and protecting emails and files wherever they're shared. Easy-to-use data security software for business. People also askIs Virtru Hipaa compliant?
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.
NeoCertified Secure Email - NeoCertified is a solution that provides secure email encryption for businesses and organizations across all industries, including healthcare, finance, legal, non-profit and education.
Trend Micro InterScan Messaging Security - Trend Micro's Interscan Messaging Security provides the most comprehensive protection against both traditional and targeted attacks. Click here for a free trial.