Uwe Kamper

Add checks for RFC8460, SMTP-TLS reporting (TLSRPT) #881

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This PR adds support for checking the policy record (e.g. _smtp._tls.example.com). The check parses the record and results in a "WARNING" state when the TLSRPT policy record is either nonexistant...

Add trainspotting.berlin for Jannowitzbrücke to rotation

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https://www.trainspotting.berlin/?900000100004

Add status indicator for users to quickly determine if the table is working

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... for example some kind of blinken LED that blinks differently when: - everything is okay - network issues - and so on ...

This PR adds a check if a DMARC policy has a common error where the `rua` is missing the scheme of the target URL: - wrong: [email protected] - correct: rua=mailto:[email protected]...