4 Best Proofpoint Email Encryption Free Alternatives in 2026

What is Proofpoint Email DLP?

Proofpoint DLP is an add-on web security application that can be installed onto an existing email server, and then used to screen inbound and outbound email. It works by logging each computer’s outgoing emails, and then identifying the sender of each message as well as any suspicious content. ...

What is Paubox Encrypted Email?

Paubox Encrypted Email is a revolutionary email encryption software that can help to digitally sign, encrypt, decrypt, sign and send email with ease. With Paubox Encrypted Email private information is safe from prying eyes. The advanced security features of Paubox Encrypted Email help for ...

What is Mailfence?

Mailfence is a web-based email encryption software. It is simple to use and provides a flexible, cross-device and cross-platform encrypted email storage. It allows to send and receive email messages with privacy and security features such as PGP encryption, two-factor authentication, OpenPGP ...

What is MDaemon Email Server?

MDaemon Email Server provides flexible management and reliable protection for your emails and their attachments. Featuring powerful security measures, like Relay Controls, IP Shielding, SMTP Authentication and reverse lookups, MDaemon's strong design offers strong protection against common ...