What are these TLS-RPT reports I am receiving?
Like DMARC reports, but about TLS connections to your mail servers. One TXT record and major receivers send you feedback.
Try this first
- 1Add a TXT record at _smtp._tls.yourdomain with a rua field pointing to a collector mailbox.
- 2Use a dedicated mailbox or distribution list for these reports; they arrive daily.
- 3Skim them now and then. Lots of 'success' is good news. Sudden 'failure' suggests an expired certificate or an unreachable MX.
- 4Combine with MTA-STS for the full picture; TLS-RPT alone reports but enforces nothing.
When to bring us in
If reports keep showing failures and you cannot tell which MX host is involved, forward us a few; we will read them with you.
See also
- Our emails land in spam for some recipientsAlmost always an SPF, DKIM, or DMARC setting that is wrong or missing, or a sender name that mimics a well-known brand.
- Someone reports receiving phishing emails "from us"Read: spoofing. Someone is abusing your sender name, not necessarily your actual mailbox.
- An email bounces (NDR): delivery failedThe NDR text usually states the exact reason. Reading it is step one.
None of the above fits?
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Or skip the DIY entirely
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