Core documentation
How to run the OSS application.
Documentation for MailSubsystem Core: the local-first Rust application for IMAP mailboxes. Build it, point it at a sandbox account, and run the agent pipeline.
Looking for the managed service? See MailSubsystem Managed Service.
Overview
Purpose, audience, current status, and the architectural shape of the application.
Quick start
Build, database, environment, and the first commands to run safely.
Command reference
Sync, analyze, locate, file, and maintenance commands.
Safety notes
Sandbox mailboxes, dry-runs, and what not to point at production accounts.