Stalwart IMAP is an open-source Internet Message Access Protocol server designed to be secure, fast, robust and scalable.
Key features:
- IMAP4 and ManageSieve server: IMAP4rev2 (RFC 9051) full compliance, IMAP4rev1 (RFC 3501) backwards compatible, ManageSieve (RFC 5804) server with support
... [More] for all extensions.
- Multiple IMAP extensions supported: Access Control Lists (ACL) (RFC 4314), Conditional Store and Quick Resynchronization (RFC 7162), SORT and THREAD (RFC 5256), Message Preview Generation (RFC 8970), etc.
- JMAP support: JMAP Core (RFC 8620), JMAP Mail (RFC 8621), JMAP over WebSocket (RFC 8887), JMAP for Sieve Scripts (DRAFT-SIEVE-13).
- Flexible, Secure, Robust and Scalable. [Less]
An open-source IMAP server designed to be secure, fast, robust and scalable. JMAP Stalwart is required to use it.
Key features:
- IMAP4 and ManageSieve server: IMAP4rev2 (RFC 9051) full compliance, IMAP4rev1 (RFC 3501) backwards compatible, ManageSieve (RFC 5804) server with support for all
... [More] extensions.
- Support Access Control Lists (ACL) (RFC 4314), Conditional Store and Quick Resynchronization (RFC 7162), SORT and THREAD (RFC 5256), Message Preview Generation (RFC 8970).
- Proxies IMAP4 and ManageSieve requests to JMAP requests, High-availability and fault-tolerance support when using a Stalwart JMAP backend, Full support for JMAP Core, JMAP Mail and JMAP for Sieve Scripts.
- OAuth 2.0 authorization code and device authorization flows, Rate limiting, Memory safe. [Less]
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