DNSFAIL1 OF 3 RECORDS
DKIM
publishedNot a secret · selectorsp2026SPF
mismatchMerge into the existing record — never publish a second oneThe published record does not authorize 203.0.113.25. Add ip4:203.0.113.25 before ~all. Shallow check: include: is not followed.
p=none does not affect delivery. Tighten to quarantine, then reject, once the reports look clean.
| Login | May send as | 30 days | Limits | |
|---|---|---|---|---|
| prod-server | *@example.org | 1 102 msg · peak 96/h | 200 / h | Edit |
| alerts | alerts@example.org, noc@example.org | 182 msg · peak 14/h | domain 2 IPs | Edit |
New password and Delete ask for confirmation; the old password stops working at once.
03
Connection
The same for every domain
- Server
- mail.example.org
- Port 465
- SSL/TLS (implicit)
- Port 587
- STARTTLS (submission)
- Authentication
- Application login, required on every port