Dimitri Martel's blogDevOps, AI/LLM engineering, security and hardware notes.https://blog.dmartel.dev/Securing SMTP Transport with DNSSEC, DANE, and TLSAhttps://blog.dmartel.dev/dane-tlsa-dnssec-smtp/https://blog.dmartel.dev/dane-tlsa-dnssec-smtp/How DANE and DNSSEC close the STARTTLS downgrade/spoofing gap in SMTP, and how RFC 7672 applies it to MTA-to-MTA mail delivery.Wed, 22 Jul 2026 00:00:00 GMT