List of the Best Email Encryption Software in 2026

What is SenditCertified?

SenditCertified is a PDF file encryption software that allows to encrypt sensitive documents before emailing them to any destination. The recipient receives the document as an attachment with no special software requirements. With this powerful encryption functionality, user can be sure that ...

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 NeoCertified?

NeoCertified is an end-to-end email encryption software on the market. Through a simple installation process, it adds maximum security to communications with friends, family, and business associates. Encrypt email contacts' emails with carbon copy (Cc) or blind carbon copy (Bcc), giving control ...

What is Encyro?

The Encyro Email Encryption Software is a must have for individuals and small businesses. It scrambles important emails so the government, hackers, spam bots, advertisers, marketers can't see email content. This makes it safe to send confidential information such as bank account numbers, social ...

What is Proofpoint Email Encryption?

Proofpoint Email Encryption is a data loss prevention solution to encrypt email, blocking confidential information from falling into the wrong hands. This software will fit seamlessly into an existing email environment and has been tested with leading Microsoft Exchange, IBM Domino, Novell ...

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 Egress Protect?

Egress encrypt all email messages and attachments in a secure and reliable way, and let no one read them. With Egress, the only person who can read sensitive information is the use itself--Egress never has access to private keys or passwords. Egress servers are run by experts following industry ...

What is ZixEncrypt?

ZixEncrypt is a email encryption software that can encrypt and decrypt emails instantly. It doesn't require any password or registration, only send an email with attachment as usual, that's it. All recipients can simply drag and drop the attachment to decrypt and read private email. The ...

What is DeliverySlip?

DeliverySlip is email encryption software designed to protect messages while in transit. It works by encrypting messages with 256-bit AES, and digitally signing messages with RSA encryption, two secure standards of protecting messages sent over the Internet. DeliverySlip has been designed for ...

What is Appriver?

AppRiver's email encryption and archiving software provides the ability to send and receive encrypted emails with attachments securely over the Internet. These encrypted emails can be sent and received with any compatible mail user agent (MUA) such as Microsoft Outlook, Mozilla Thunderbird, ...

What is SendSafely?

SendSafely is email encryption software that enables to open, modify and send secure emails. It creates an encrypted thread of communication with recipient. SendSafely is easy to use, fast encryption software available to keep private emails private. Encrypting emails with SendSafely for ...

What is Echoworx?

Echoworx is email encryption software designed to take advantage of the sendmail program, which is installed on virtually every UNIX system. Echoworx allows to digitally sign and encrypt email so that only the person(s) who have been authorized can read it. This also allows to digitally sign so ...