AtMail Open vs Kolab Now
A side-by-side look at AtMail Open and Kolab Now. For an in-depth review of either product, follow the links below.
AtMail Open
Office & Productivity
AtMail Open is an open source email server software designed for high delivery performance, security, and reliability. It is based on open standards and is a scalable on-prem email platform for SMBs.
emailserveropen-source
Kolab Now
Online Services
Kolab Now is a secure, privacy-focused email and collaboration platform. It offers full-text searchable email, calendar, contacts, file storage, task management and more with end-to-end encryption. As a cloud service, it works on all devices with a browser.
emailcalendarcontactsfile-storagetask-managementencryptionprivacy
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