Reference

Every command, flag, setting, environment variable, JSON field, and exit code.

The reference describes Mailfire completely. For a task-oriented introduction, start with the Guides.

Usage and flags of every Mailfire subcommand, exactly as mailfire --help prints them.

Where Mailfire looks for its TOML configuration file, how settings combine, and every setting with its default.

Every configuration setting as a MAILFIRE_* environment variable, for CI pipelines, containers, and scheduled jobs.

The machine-readable result documents of every command: fields, outcomes, error codes, and compatibility rules.

What each exit code means, for every command.

The mailfire(1) manual page, as installed with the packages and the Homebrew cask.

Edit this page on GitHub Last updated October 18, 2026