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.
A stable e-mail service is essential for both work and personal life. We already manage more than 700,000 e-mail addresses on our high-availability and secure hosting infrastructure with data located in Switzerland.
Private secure email. Ad free, spam free and encrypted. Topmail's email service is both secure and easy to use. It is available both on the desktop and via any mobile device.
Switzerland
United Kingdom