If Secure Email Delivery Failed, Would You Know?
If secure email delivery to your domain started failing, would you know? TLS-RPT is how you find out.
Email security controls can fail quietly, and secure delivery is no exception. If messages to your domain suddenly could not be delivered over encryption, the question is whether you would ever hear about it.
What this short video covers
- How secure email delivery can fail without any visible bounce
- What TLS-RPT is and the reports it gives you
- Why a certificate or policy issue can break encrypted delivery
- How these failures hide until someone complains
- Why reporting turns a silent failure into an early warning
When you require encrypted delivery, for example through MTA-STS, a problem at your end, like an expired certificate or a misconfigured policy, can cause sending servers to fail or downgrade delivery. None of that shows up as an obvious bounce in your inbox, so the failure can run for days unnoticed.
TLS-RPT is the reporting standard that fixes this. It asks other mail providers to send you regular reports on whether secure delivery to your domain succeeded or failed, and why. Combined with monitoring, it turns an invisible problem into an alert you can act on before it affects real mail.
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Founder of SealedMail and a UK email-security specialist in DMARC, SPF, DKIM and email authentication for regulated sectors. He personally reads the DMARC and TLS reports behind every SealedMail account and writes the company's plain-English guides. More from Shaun Cooke →
