Alternatives to Paubox include WhiteSource Software, Proofpoint. Paubox is the easiest way to send and receive HIPAA compliant email. We've designed an email encryption platform that eliminates the hassles of encryption, like cumbersome portals, PGP keys, app downloads, keywords and Outlook plugins. Users can just write and send email as normal from any device. We also allow for seamless inbound email encryption and robust email security (spam, virus, phishing and malware protection). We are the only product on the market that can provide a true seamless inbound and outbound encryption on every email.