OnionMail is an anonymous and encrypted mail server made to run on the TOR network without losing the ability to communicate with the Internet.
Cost / License
- Free
- Proprietary
Platforms
- Mac
- Windows
- Linux
- Online
- Android
- iPhone

black.com is described as 'Privacy-focused email service that provides zero-access encryption. It Austrian-based company, with Swiss-based infrastructure. Emails are zero-access encrypted with a password-derived key' and is an app. There are more than 50 alternatives to black.com for a variety of platforms, including Web-based, iPhone, Android, iPad and Android Tablet apps. The best black.com alternative is Proton Mail, which is both free and Open Source. Other great apps like black.com are Gmail, Tuta Mail, Disroot and Zoho Mail.
OnionMail is an anonymous and encrypted mail server made to run on the TOR network without losing the ability to communicate with the Internet.

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