Troubleshooting
Common issues and how to fix them
troubleshootingMultiple SPF Records: Why Two Break Your Email (and How to Merge Them)
You can only have one SPF record per domain. Learn how to merge multiple SPF records into one, which providers actually belong in it, and why receiving services do not.
troubleshootingDKIM Selector Not Found: Causes and How to Fix It
Fix the 'DKIM selector not found' error. Learn what selectors are, find the correct one for your provider, and verify your DKIM DNS records.
troubleshootingEmails Going to Spam Even with DMARC Set to None? Here's Why
Find out why your emails land in spam despite having DMARC set to none. Diagnose SPF, DKIM, IP reputation, and content issues with step-by-step fixes.
troubleshootingDKIM Signature Invalid: Troubleshooting Guide
Fix DKIM signature validation errors. Learn the most common causes of invalid DKIM signatures and step-by-step solutions to restore email authentication.
troubleshootingEmails Failing DMARC Alignment: Diagnosis and Solutions
Fix DMARC alignment failures. Understand relaxed vs strict alignment, diagnose SPF and DKIM alignment issues, and restore DMARC compliance.
troubleshootingDMARC Record Not Found: How to Fix This Error
Quick guide to fix 'DMARC record not found' error. Learn the most common causes and step-by-step solutions to get your DMARC record working.
troubleshootingSPF Record: Too Many DNS Lookups (How to Fix)
Fix the SPF 'too many DNS lookups' error. Learn why the 10 lookup limit exists, how to count lookups, and solutions including SPF flattening.