ansible/docs/guides/mailcow-authentik-oidc.md
ilia 0f34c51fc8
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Complete homelab post-sprint: SSO docs, monitoring scripts, phase 0/1 closure.
Consolidate sprint status into handoff docs, add Listmonk/Mattermost/Mailcow
and Vikunja SSO guides, Beszel alerts script, mattermost inventory, and
mark phases 0–1 complete with phase 2 backlog for edge Caddy and security.

Co-authored-by: Cursor <cursoragent@cursor.com>
2026-05-24 12:13:55 -04:00

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# Mailcow ↔ Authentik OIDC
**Status:** Configured 2026-05-24 (Generic-OIDC in DB + Authentik app `mailcow`)
**Requires:** mailcow **2025-03+** (this host: `2025-10a`)
**URL:** https://mail.levkine.ca
---
## What OIDC means
**OIDC** = **OpenID Connect** — login with an identity provider (Authentik) instead of a separate password per app. You sign in once at `auth.levkin.ca`, apps trust that login.
---
## Authentik
| Item | Value |
|------|--------|
| Application slug | `mailcow` |
| Provider | `mailcow-oidc` |
| Client ID | `mailcow` |
| Redirect URI | `https://mail.levkine.ca` |
| Scope mapping | `mailcow_template``default` mailbox template |
| Access | `homelab-users` |
Secret: `vault_mailcow_oidc_client_secret` in Ansible vault.
---
## Mailcow (applied via MySQL `identity_provider`)
- **Identity Provider:** Generic-OIDC
- **Authorize / token / userinfo:** `https://auth.levkin.ca/application/o/{authorize,token,userinfo}/`
- **Redirect URL:** `https://mail.levkine.ca`
- **Scopes:** `openid profile email mailcow_template`
Mailbox users with SSO need matching email in Authentik. Admin UI may still use local admin for break-glass.
---
## Verify
Log out of Mailcow → login should offer external IdP. Test with user `ilia` in `homelab-users`.
---
## Related
- [sso-selfhosted-matrix.md](sso-selfhosted-matrix.md)
- [Authentik mailcow integration](https://integrations.goauthentik.io/chat-communication-collaboration/mailcow/)