SmarterMail vs. Proton Mail For Business

SmarterMail, available on Linux, as a Docker container, and Windows, is the only business email server with native support for Exchange protocols such as MAPI, EWS, and EAS, eliminating the need for extra software or plug-ins. SmarterMail delivers full Exchange-level functionality at a fraction of the cost, with lower hardware requirements, greater stability, and reduced maintenance. SmarterMail also includes built-in team collaboration tools like audio/video chat and Online Meetings at no additional charge.

Proton Mail for Business is a secure email and calendar solution tailored specifically for small and medium-sized businesses (SMBs). This platform enables users to send, receive, organize, and manage professional email and calendar communications while ensuring built-in privacy and encryption. Designed to support critical business communication workflows, Proton Mail for Business protects sensitive information from unauthorized access and assists organizations in meeting data privacy and compliance requirements.