Added comprehensive email configuration to enable notifications for
password resets, user invitations, system alerts, and backup failures.
**Services configured:**
- **Vaultwarden** (vault/compose.yaml):
- SMTP settings for password resets, 2FA, emergency access emails
- Uses IONOS SMTP with force_tls security
- Sender: hi@pivoine.art
- **Linkwarden** (links/compose.yaml):
- Email server configuration for user invitations
- Password reset functionality via email
- Uses smtp:// connection string format
- **n8n** (n8n/compose.yaml):
- SMTP mode enabled for workflow notifications
- User invitation emails
- Password reset support
- SSL-secured connection
- **Netdata** (netdata/compose.yaml, health_alarm_notify.conf, msmtprc):
- Health alarm notifications via email
- MSMTP configuration for sending alerts
- Notifications sent to valknar@pivoine.art
- Alerts for system issues, resource exhaustion, service failures
**Common SMTP settings** (from .env):
- Provider: IONOS (smtp.ionos.de:465)
- From address: hi@pivoine.art
- Transport: SMTP with TLS/SSL
- Admin email: valknar@pivoine.art
**Backrest notifications:**
- Configured via web UI at restic.pivoine.art
- Supports webhooks to Gotify for push notifications
- Email notifications can be added through UI settings
All services now have proper email notification capabilities for
improved monitoring, user management, and security features.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>