Host Your MTA-STS Text File on Amazon Web Services For Pennies Per Month
We know that deploying MTA-STS better secures inbound email and can prevent MITM and downgrade attacks. But you need a public web server to host the ~/.well-known/mta-sts.txt file. Not everyone has access to a web server they can use for this purpose, and even if they did, securing, patching, monitoring …
