Every week the server sends probe messages to each major provider and records where they land. Historic weekly data is in the JSON.
| Provider | Delivered | In inbox | Notes |
|---|---|---|---|
| Gmail | 7/7 | 7/7 | SPF/DKIM/DMARC all passing |
| Outlook | 7/7 | 6/7 | 1 in junk, clean on retry |
| Yahoo | 7/7 | 7/7 | — |
| QQ Mail | 7/7 | 7/7 | — |
| 163 Mail | 7/7 | 7/7 | — |
SPF v=spf1 a mx ip4:162.211.223.35 -all DKIM RSA 2048, selector mail DMARC v=DMARC1; p=quarantine; rua=mailto:notify@5457090.xyz