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Cyrus IMAP
Cyrus IMAP is a high-performance, scalable email server with support for IMAP, POP3, CalDAV, and JMAP protocols.
About Cyrus IMAP
Cyrus IMAP is an open source email and calendar server designed for handling large volumes of mail efficiently. It runs on Linux and Unix systems, offering IMAP, POP3, and SMTP services with a focus on security and scalability. The server stores mail in a shared filesystem, making it ideal for multi-user environments like universities and enterprises.
Key features include Sieve scripting for mail filtering, virtual domains, and support for CalDAV and CardDAV via the bundled Calalytics component. Cyrus IMAP integrates with LDAP and SQL databases for authentication. The project uses a custom mailbox format and supports replication for high availability. It is written in C and actively maintained by the Cyrus IMAP community.
This server is best suited for system administrators who need a reliable, standards-compliant mail backend. It is free software released under the BSD license. Cyrus IMAP is used by organizations like MIT and the University of Cambridge for their email infrastructure.
Key features include Sieve scripting for mail filtering, virtual domains, and support for CalDAV and CardDAV via the bundled Calalytics component. Cyrus IMAP integrates with LDAP and SQL databases for authentication. The project uses a custom mailbox format and supports replication for high availability. It is written in C and actively maintained by the Cyrus IMAP community.
This server is best suited for system administrators who need a reliable, standards-compliant mail backend. It is free software released under the BSD license. Cyrus IMAP is used by organizations like MIT and the University of Cambridge for their email infrastructure.
Email Servers
Quick Facts
- Pricing
- Free
- License
- Open Source
- Platform
- Linux
- Version
- 3.10.1
- Developer
- Cyrus IMAP Project