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SPF Flattening Best Practices
Flatten SPF safely while keeping records maintainable and accurate.
1 min read
Updated 2025-10-23
Tutorials
spfflattening
Flattening reduces lookups but must be maintained. Automate updates and review regularly.
Steps
- Use a trusted flattening tool
- Schedule periodic updates
- Track provider IP changes
FAQ
Risks of flattening?
Stale IPs can cause failures; automate refresh.
Include vs flatten?
Mix approaches based on lookup budgets.