421 OFR_999
OFR_999 IP Suspended (2 Hours)
Orange suspended the IP for two hours as a result of earlier policy breaches.
OFR_999 indicates a previous OFR code was ignored. Sending resumes automatically after the suspension, but repeat offenses extend the duration.
Severity
CRITICAL
Provider
Orange
Reference
OFR_999
Last Reviewed
2025-06-01
How to Fix 421 OFR_999
Follow these steps to resolve this Orange SMTP error and restore normal delivery.
- ✓Stop sending to Orange domains for the duration of the suspension.
- ✓Resolve the underlying issue (complaints, invalid users, volume spikes) before resuming.
- ✓When resuming, cap hourly volume and monitor responses closely.
- ✓Escalate internally if OFR_999 occurs more than once per week.
Helpful Resources
More Orange SMTP Codes
Keep these related troubleshooting guides handy while addressing 421 OFR_999.
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