Polymail - Native email app for email productivity.

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?

Morning Mail - A new way to manage your mail. Tinder for email.

Paubox - Paubox provides HIPAA compliant email encryption without the hassle of extra steps.

Airmail - Airmail is a lightweight and lightning fast mail client for Mac.

Encyro - Use Encyro to send sensitive messages and files to your customers and service providers, including accountants, loan officers, health coaches, and others. Stay organized and forward documents from your mobile device.