Troubleshooting
Practical fixes when a FormReceipt run fails, mail never arrives, spam filters intervene, or DNS changes take time to propagate. Start with missing mail and duplicate SPF records if those match your symptoms.
8 articles
- Allowlisting FormReceipt automationHow to allowlist FormReceipt bot identity headers, user agent, and worker IPs in WAF or anti-bot tools.
- DNS propagation and TTLWhy DNS changes lag, how TTL affects rollout, and how to verify TXT records globally.
- Mail arrives in spam despite passing authenticationWhy authenticated mail can still land in spam and what to check next.
- Multiple SPF TXT records — how to merge themFix multiple SPF DNS TXT records at one hostname: why receivers fail validation, how to merge includes into a single v=spf1 string, and how to verify.
- Publishing DNS records in CloudflareTXT and CNAME entries for SPF, DKIM, and DMARC when Cloudflare proxies email-related names correctly.
- SMTP authentication errors when sendingPractical steps for administrators troubleshooting SMTP login and TLS failures.
- Test email or receipt not receivedChecklist when FormReceipt notifications or contact-form lead mail never arrive—run failures vs deliverability, spam, SPF, and ongoing monitoring.
- Understanding failed test runsUse the run details panel and timeline to diagnose common failures and choose the next action.