Free tool · Knowledge Base
Spam score for cold email.
Paste a subject and body. Get a score and line-by-line flags on the patterns receivers actually penalize.
What this checks. Subject length and content (trigger phrases, ALL-CAPS, multi-exclamation, emoji), body length, word patterns, link count and quality (tracking shorteners), HTML signals, and the spam-trigger phrase list maintained from public receiver-side filter analysis.
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