Customers: Overview

Organizations across all industries need an enterprise-class, standards-based alternative to proprietary email.

Our customers come from virtually every industry, and range in size from Fortune 1000 enterprises to small and medium businesses. Over 1,300 corporations have deployed our product, across more than 65 countries. With over 2 million mailboxes deployed our product is the most robust Linux-based email and calendaring platform available to enterprises today.