mailpit

{
  "aliases": [],
  "alternatives": [
    "MailHog",
    "Mailtrap",
    "Courier"
  ],
  "build_dependencies": [
    "go",
    "node"
  ],
  "categories": [
    "mail",
    "testing",
    "web-server"
  ],
  "caveats": null,
  "conflicts_with": [],
  "dependencies": [],
  "deprecated": 0,
  "deprecation_reason": null,
  "desc": "Web and API based SMTP testing",
  "disable_reason": null,
  "disabled": 0,
  "enrichment_fetched_at": "2026-06-20T23:41:14+00:00",
  "first_seen": "2026-06-20T23:34:18+00:00",
  "full_name": "mailpit",
  "github_default_branch": null,
  "github_last_commit_at": null,
  "github_readme_excerpt": null,
  "github_repo": null,
  "github_stars": null,
  "github_topics": [],
  "homepage": "https://mailpit.axllent.org/",
  "homepage_og_description": null,
  "homepage_og_image": null,
  "homepage_title": "Mailpit - email \u0026 SMTP testing tool",
  "installs_30d": 1993,
  "installs_365d": 16697,
  "installs_90d": 6513,
  "keg_only": 0,
  "keg_only_reason": null,
  "last_seen": "2026-06-20T23:34:18+00:00",
  "license": "MIT",
  "llm_generated_at": "2026-06-20T23:48:12+00:00",
  "llm_model": "claude-haiku-4-5",
  "name": "mailpit",
  "oldnames": [],
  "one_liner": "Web and API SMTP testing tool written in Go; standalone server that captures and displays outgoing emails.",
  "optional_dependencies": [],
  "rank_30d": 975,
  "rank_365d": 1157,
  "rank_90d": 977,
  "raw_hash": "8b7a59ab9164308e",
  "recommended_dependencies": [],
  "revision": 0,
  "ruby_source_path": "Formula/m/mailpit.rb",
  "tap": "homebrew/core",
  "test_dependencies": [],
  "uses_from_macos": [],
  "version_head": null,
  "version_stable": "1.30.2",
  "versioned_formulae": [],
  "why_use_this": "Mailpit runs as a local SMTP server to intercept and inspect emails during development, replacing real mail services. It provides a web UI and REST API for testing email workflows without cluttering inboxes. Single binary, zero external dependencies after build\u2014drop-in replacement for sendmail or SMTP in dev configs."
}