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@ -28,13 +28,14 @@ Note: Some content is focused on Germany.
- DNS-based Authentication of Named Entities
- https://en.wikipedia.org/wiki/DNS-based_Authentication_of_Named_Entities
- DANE is a protocol used to secure internet connections by allowing DNS records to specify what certificates are trustworthy for a given domain, preventing attacks on the TLS (Transport Layer Security) protocol.
- DANE can only be used effectively if DNSSEC is enabled.
- MTA-STS
- Message Transfer Agent, Strict Transport Security
- https://en.wikipedia.org/wiki/MTA-STS
- MTA-STS is a security standard used to enforce transport layer (TLS) encryption and authenticate email in transit between servers, preventing interception and tampering by mandating HTTPS for SMTP connections.
- With MTA-STS a TLS encryption is enforced while with StartTLS a TLS encryption is optional.
## Tester
## Testing
- https://mecsa.jrc.ec.europa.eu/en/ EU Email Communications Security Assessment (MECSA)
- https://mxtoolbox.com/supertool
- https://mxtoolbox.com/dmarc/dmarc-email-tools SPF DKIM DMARC