Sanebox - SaneBox is a cloud-based service that allows users to filter and manage their emails.
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?
Thunderbird - Thunderbird is a free email application that's easy to set up and customize - and it's loaded with great features!
Paubox - Paubox provides HIPAA compliant email encryption without the hassle of extra steps.
Ebsta - Capture every email and business contact inside Salesforce.
Proofpoint Email Encryption - As email is the preferred medium for business communications, preventing confidential information from being leaked in outbound email messages must be a top priority in order to lower the risk of a data breach.