Cyrus IMAP
Cyrus IMAP serves as a robust email, contacts, and calendar server, renowned for its speed and security. It supports CardDAV and CalDAV, along with extensive authenticati... Cyrus IMAP serves as a robust email, contacts, and calendar server, renowned for its speed and security. It supports CardDAV and CalDAV, along with extensive authentication options through Cyrus SASL. Ideal for large installations, it features efficient data storage, flexible filtering via Sieve, and deliverability handling with SPF, DKIM, and DMARC.
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Company Information
- Company: The Cyrus Team
Top Cyrus IMAP Features
- Speed optimization for email delivery
- Enhanced security protocols
- Efficient resource utilization
- Advanced search capabilities
- CardDAV support for contacts
- CalDAV support for calendars
- Robust data storage solutions
- Replication for data redundancy
- Scalability for large installations
- Flexible Sieve filtering options
- Integration with antivirus toolkits
- Comprehensive antispam tools
- SPF
- DKIM
- DMARC compliance
- Extensive authentication mechanisms
- Cyrus SASL integration
- JMAP support for JSON APIs
- Long list of supported standards
- Active community support
- Free and open source
- Continuous development since 1993.