Meet the number one IMAP server
OX Dovecot Pro
The world’s market-leading IMAP server, OX Dovecot Pro, delivers dynamic scalability, high performance, efficient utilization of hardware and outstanding support to the world’s largest Telcos and ISP's.

The market-leading IMAP solution
- Proven dynamic scalability and excellent hardware utilization
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- Advanced security and protection
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- Service and support direct from Open-Xchange and Dovecot
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- Better together: OX App Suite and OX Dovecot Pro
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Dynamic Scalability and Excellent Hardware Utilization
With 76% market share, many customers trust the performance of OX Dovecot Pro. Efficient hardware utilization and advanced monitoring tools for statistics and administration reduce TCO and save time and maintenance costs. In addition, OX Dovecot Pro scales up and out to hundreds of servers and millions of users. Its stateless native architecture offers maximum flexibility as each major component can be deployed on its own dedicated node.


Security and Protection
OX Dovecot Pro provides different security options throughout the product. A secure software architecture minimizes the chance and impact of any security issues. Emails are stored securely and can be sent fully encrypted and archived, while frontend security is provided by OX Abuse Shield. OX Abuse Shield addresses the problem of login abuse and protects against WebMail, IMAP and POP attacks.


OX App Suite and OX Dovecot Pro
Both OX Dovecot Pro and OX App Suite are strong on their own, but even better together. Various innovative OX App Suite features and functions are based on OX Dovecot Pro, like push notifications, unique advertising options, automatically tabbed inbox, global attachment view and virtual folders (patent US9628428). It is for this same reason that Open-Xchange used both OX App Suite and OX Dovecot Pro in their OX Cloud solution.

The world’s market-leading IMAP server, OX Dovecot Pro, delivers proven and dynamic scalability, high performance, better utilization of hardware, and outstanding support for telcos, hosters, and other service providers. OX Dovecot Pro provides the option of using cloud-storage solutions for email data, and adds premium features and support to the power of the community version of Dovecot.
OX Dovecot Pro is optimized for use with OX App Suite, and using the two products in combination allows you to give your users three levels of security: secure storage, secure transmission, and protection against webmail abuse.