JSON Mail Access Protocol Specification (JMAP)
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This repository contains the specification for JMAP, a new JSON-based API for synchronising a mail client with a mail server. It is intended as a replacement for IMAP. The specification is based on the API currently used by the FastMail (https://www.fastmail.com) web app.  It aims to be compatible with the IMAP data model, so that it can be easily implemented on a server that currently supports IMAP, but allows for reduced data usage and more efficient synchronisation, bundling of requests for latency mitigation and is generally much easier to work with than IMAP.

The pretty HTML version of the spec is hosted at http://jmap.io.

Want to get involved? Join the mailing list at https://groups.google.com/forum/#!forum/jmap-discuss. Feedback is welcome: send your thoughts or comments on anything that is imprecise, incomplete, or could simply be done better in another way. Discussion is preferred prior to pull requests, except in the case of minor typos etc.!