Kolab Now is described as 'Provides a suite of intuitive apps in a user friendly environment to make your day to day online comms easier, smarter and most importantly; secure' and is a webmail provider in the office & productivity category. There are more than 50 alternatives to Kolab Now for a variety of platforms, including Web-based, Android, iPhone, Windows and Linux apps. The best Kolab Now alternative is Proton Mail, which is both free and Open Source. Other great apps like Kolab Now are Tuta Mail, mailbox, Google Workspace and Posteo.
Tildamail is a free, decentralized, and secure email system, developed by Stanford graduates. We are an end-to-end encrypted email system that protects your privacy. Tilda is a standard for DApps backed by self-sovereign data. User data never touches our servers.
The Beeble Project is email and online cloud storage platform with unprecedented security and privacy without third party access.
Fripost – the Free Email Association. Fripost organize the people who want an alternative to "free" e-mail services where you are constantly under surveillance and personal data is handed over to third parties.
The world's first email hosting that makes communication inside your team easier with fewer meetings. Host your professional email on a secure, privacy-guaranteed, and ad-free email hosting service built-in with features like email marketing services can do.
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.
MailShogun is a plugin that creates domain emails easily. You can pick between your professional and regular e-mail address when sending or receiving from your regular g-mail account. One of the cheapest mail forwarding services you can find on the web.
Sanwhole Exchange is a server running iMail, iPress and iStore services. iMail is an enterprise-class email server does Microsoft Exchange and Gmail work. iPress sets blog, forums and tickets in one. iStore is an online store.
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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