Tagged: TLS-RPT
Email AuthenticationMTA-STS lets you declare that email delivered to your domain must use TLS, preventing downgrade attacks that strip encryption in transit. TLS-RPT gives you the reporting visibility to know when it's working — and when it isn't.
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Email AuthenticationSTARTTLS encrypts email opportunistically — meaning a network attacker can strip the encryption handshake and receive mail in plaintext. MTA-STS fixes this by letting your domain publish an enforced TLS policy that sending servers must honor.
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Email AuthenticationTLS-RPT delivers daily reports on TLS connection failures when other servers try to deliver mail to your domain. This guide explains how to deploy TLS-RPT with a single DNS record, what the JSON reports contain, and which failure types to watch for in your monitoring.
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Email AuthenticationMTA-STS and TLS-RPT protect email in transit by requiring encrypted SMTP connections to your domain and reporting TLS failures. Learn how to implement both standards safely without disrupting delivery.
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