Runbox is described as 'Offers email hosting, domain hosting, and web hosting services, as well as custom-made email solutions' and is a webmail provider in the security & privacy category. There are more than 50 alternatives to Runbox for a variety of platforms, including Web-based, iPhone, Android, iPad and Mac apps. The best Runbox alternative is Proton Mail, which is both free and Open Source. Other great apps like Runbox are Gmail, Tuta Mail, Disroot and Apple Mail.
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.
United Kingdom