InboxGuard

Cold Email Deliverability Test

Cold emails often fail due to poor deliverability. Test your email before sending to improve inbox placement and response rates.

Most emails fail not because of content quality, but because of hidden spam triggers, poor structure, and domain issues.

Paste your email (Ctrl + V)

Most emails fail silently. Check before you send.

Paste mode analyzes your raw email only.

Takes 5 seconds. No setup needed.

No signup required • No data stored

Why emails go to spam

Cold outbound is sensitive to language quality, sending patterns, and technical setup. If one part breaks, placement drops quickly.

How to check before sending

Run your draft through the checker before campaigns. Tools like InboxGuard help detect spam triggers before sending and scaling.

Common spam triggers

  • Hard-sell urgency in first lines
  • Multiple links in short outreach
  • Generic message with weak personalization

Fix your email before sending

Always test and adjust cold emails before launch to protect sender trust and improve reply odds.