Update DANE-for-SMTP-how-to.md

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Dennis Baaten 2019-08-28 14:26:22 +02:00 committed by GitHub
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@ -87,10 +87,12 @@ In short: DANE allows sending mail servers to unconditionally require STARTTLS w
**Usage**: says something about the type of certificate that is used for this TLSA record.
2: intermediate / root certificate
3: end-entity certificaat
3: end-entity certificate
**Selector**: this is about the scope of the fingerprint regarding this TLSA record.
0: fingerprint with regard to the full certificate
1: fingerprint with regard to the public key
**Matching type**: information about the hashing mechanism used for fingeeprint regarding this TLSA record.
0: no hasing, full information
1: SHA2-256 hash