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OpsTrellis
Email spam checker · Free tool

Find the words in your cold email that spam filters flag.

Paste a draft to get a real-time spam score, discover the exact trigger words that raised it, and get safer phrasing suggestions.

  • Subject line and body scanned simultaneously
  • Weighted points per flagged trigger keyword
  • Safer alternative words to maximize inbox placement

Client-side analysis. Draft copy is evaluated in your browser memory and is not stored or logged in any application database.

Scan a draft

Paste your cold email or client proposal below.

Daily Free Usage:0 of 2 used2 checks remaining

Optional. A word in the subject counts double.

Paste it as you would send it, merge tags included.

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Paste a draft to see its spam score, the words that raised it, and safer alternatives.