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Audit Your Setup Now — Check SPF, DKIM, DMARC, blocklists, and reputation in one scan. Run Diagnostic →

How do you build a deliverability diagnostic checklist?

Technical checks:

  • SPF, DKIM, DMARC passing
  • DNS records intact
  • Sending infrastructure operational

Reputation checks:

  • Blocklist status (IP and domain)
  • Gmail Postmaster reputation
  • Microsoft SNDS status
  • Feedback loop complaints

Behavioral checks:

  • Volume changes (sudden increases)
  • List composition changes
  • Engagement pattern changes
  • Content changes

Analysis:

  • Bounce code review
  • Provider-specific patterns
  • Segment-specific patterns
  • Timeline correlation
  • Document and standardize the checklist for consistent diagnosis.

Pre-flight inspection checklist. Systematic review catches issues before guessing.

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