Enigmail is a security extension to Mozilla Thunderbird and Seamonkey. It enables you to write and receive email messages signed and/or encrypted with the OpenPGP standard. Sending and receiving encrypted and digitally signed email is simple using Enigmail. It supports powerful GUI for easy configuration and OpenPGP key management, Integrated OpenPGP PhotoID viewer and lot more.

Enigmail - A simple interface for OpenPGP email security

Tutanota automatically encrypts all your data on your device. Your emails as well as your contacts stay private. You can easily communicate with any of your friends end-to-end encrypted. Even subject and attachments as well as all your contacts are encrypted. It provides an open webmail service that is very easy to use.

Tutanota - Encrypted MailBox

Hermes Secure Email Gateway is a Free Open Source Email Gateway that provides Spam, Virus and Malware protection, full in-transit and at-rest email encryption as well as email archiving. 
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Hermes Secure Email Gateway combines Open Source technologies such as Postfix, Apache SpamAssassin, ClamAV, Amavisd-new and CipherMail under one unified web based Web GUI for easy administration and management of your incoming and ougoing email for your organization.
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It can be deployed to protect your in-house email solution as well as cloud email solutions such as Google Mail and Microsoft Office 365.

Hermes Secure Email Gateway is a Free Open Source Email Gateway that provides Spam, Virus and Malware protection, full in-transit and at-rest email encryption as well as email archiving. 

Hermes Secure Email Gateway

ProtonMail provides secure email service. All emails are secured automatically with end-to-end encryption. This means even we cannot decrypt and read your emails. As a result, your encrypted emails cannot be shared with third parties.

ProtonMail - Web client for the ProtonMail secure email service

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Enigmail - A simple interface for OpenPGP email security

Tutanota - Encrypted MailBox

Hermes Secure Email Gateway

ProtonMail - Web client for the ProtonMail secure email service

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Enigmail - A simple interface for OpenPGP email security

Tutanota - Encrypted MailBox

Hermes Secure Email Gateway

ProtonMail - Web client for the ProtonMail secure email service

TechStack

Tagcloud

License