Mta sts policy not working
I have a well-known file on a site of mine with a protonmail server. I am trying to configure MTA STS, the https policy fetch is not working. It just says the connection is insecure. I have tls 1.3 enforcement, the site is hosted on vercel and the domain is cloudflare. Dns records through cloudflare
ORIGINAL SOURCE →via Reddit r/cybersecurity
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