Email Spam Word Checker
Paste your email subject and body to detect spam trigger words. Get a cleanliness score and actionable tips to improve deliverability.
Understanding Spam Filters
Content-based filtering
Spam filters analyze the words and phrases in your email to determine whether it resembles known spam patterns. Certain trigger words like "act now", "free money", and "click here" are heavily penalized because they appear disproportionately in spam messages.
Beyond words alone
Modern spam filters also look at formatting cues: excessive capitalization, repeated exclamation marks, and aggressive punctuation patterns. These stylistic choices signal low-quality or manipulative content and can push your email into the spam folder even if individual words seem benign.
Write naturally
The best way to avoid spam filters is to write like a human. Use clear, honest language. Avoid hyperbolic claims and artificial urgency. Focus on providing genuine value to your recipients, and your emails will naturally avoid the patterns that spam filters target.
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