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README.md
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@ -35,7 +35,8 @@ Note: Some content is focused on Germany.
- 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.
## Testing Allgemein
## Testing
### Testing Allgemein
- 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
@ -53,6 +54,15 @@ Note: Some content is focused on Germany.
- https://dnssec-debugger.verisignlabs.com/
- https://www.experte.de/dns-check/dnssec
## DNSSEC New
- https://joscor.com/blog/dane-tlsa-tutorial/
- https://www.msxfaq.de/signcrypt/dane_tlsa.htm
- https://thomas-leister.de/dane-tlsa-records-erklaert/
- https://ssl-tools.net/tlsa-generator
- https://github.com/internetstandards/toolbox-wiki/blob/main/DANE-for-SMTP-how-to.md
- https://github.com/internetstandards/toolbox-wiki
- https://internet.nl/
## Wissen
- https://support.google.com/a/answer/81126 Email sender guidelines
- https://www.nospamproxy.de/wp-content/uploads/Praxisleitfaden-DKIM-SPF-DMARC-DANE-1.pdf