Feature | ProtonMail | Kolab Now |
---|---|---|
Anonymity | ||
Encrypted email | ||
End-to-end encryption | ||
Privacy focused | ||
4096 Bit encryption | ||
Anonymous email | ||
Custom domain | ||
E2e encryption | ||
Encrypted Email | ||
Encrypted Connection | ||
Encryption | ||
End-to-End Encryption | ||
Mobile friendly | ||
Multiple languages | ||
Support for Multiple Users | ||
PGP Encryption | ||
Security & Privacy | ||
Self destructing messages | ||
Video Conferencing | ||
Ad-free | ||
Cloud IDE | ||
Decentralized | ||
Calendar integration | ||
Encrypted mail and contacts | ||
Built-in Calendar | ||
Document sharing | ||
Integrated Spam Protection | ||
Chat | ||
Digital Signage | ||
Support for TOR | ||
Support for IMAP | ||
Support for Aliases | ||
File Storage | ||
POP3 Support | ||
Mail filtering | ||
Collaborative | ||
CalDAV | ||
CardDAV | ||
Cloud Storage | ||
Email Server | ||
Notetaking | ||
Real time collaboration | ||
Google Sheets integration | ||
Mobile Device Management | ||
Online collaboration | ||
Web-Based | ||
Custom login portal | ||
Push Notifications |