open-cmmc-stack/evidence/04_email/evidence.md

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# ✉️ Evidence Secure Email Configuration
## Purpose
Evidence related to the secure deployment and configuration of Mailcow for sending and receiving secure communications.
## Included Artifacts
- TLS/DKIM/SPF reports
- SSO integration with Keycloak
- Mail logs for delivery success and rejection
- Email relay and filter rules
## Review Checklist
- [ ] DKIM keys configured and tested
- [ ] TLS enforced on all SMTP/IMAP traffic
- [ ] Mailcow access restricted via Tailscale ACLs