Hello,
I want to validate, that outgoing MTA-STS does work correctly. I want
to send an email to a site, which has broken MTA-STS, and see what
happens.
Can somebody name a sample site, which (on purpose, for testing
purposes, unintentionally for the moment) announces MTA-STS, but does
not offer STARTTLS?
I found only https://mtasts.xyz/ trying to perform outbound tests, but
its MTA-STA setup is too broken - the certificates are outdated and the
HTTP-policy is thus ignored.
Greetings
Дилян
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