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Re:Comcast Shot Themselves in the Foot with MTA-STS by agwa on Wednesday January 19, 2022 @02:55PM (#29999119)
If you never make changes, that will work once it's set up.

But if you ever decide to change your mail provider, you'll have to remember to correctly update your MTA-STS policy. If your change to Cloudflare Pages doesn't propagate through the Cloudflare CDN right away, you could end up in the situation described in the blog post, with the TXT record updated before the text file, and other mail servers unable to send you email.

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