Email Spam Score Checker

It is a deterministic heuristic. The tool scans your subject and body for known patterns: spam trigger phrases (such as free, act now, click here, guarantee), ALL-CAPS words, stacked exclamation marks, too many links, an overlong subject and runs of repeated punctuation. Each pattern adds points, the total is clamped to 0 to 100, then bucketed into a low, medium or high grade.

No. This is a heuristic guide, not a guarantee. Real spam filters like Gmail and Outlook also weigh sender reputation, authentication (SPF, DKIM, DMARC), engagement history and content that this tool cannot see. Use the score to clean up obvious red flags, then test with a real send to a few seed addresses.

Yes. The check runs entirely in your browser. Your subject line and body are never uploaded, logged or stored on a server, so you can safely paste real drafts.

They are words and phrases that appear disproportionately in junk mail, like free, winner, cash, 100%, buy now, risk free and click here. One on its own is usually fine; the problem is stacking several of them, especially in the subject line. The tool lists every phrase it matched so you can reword or remove them.

Capitalised words read as shouting and are strongly associated with promotional spam, especially in the subject line. The checker counts all-caps words separately for the subject and body and weighs the subject more heavily. Sentence case almost always looks more trustworthy.

Not necessarily. A natural marketing email can score a few points and still land fine. Aim for the low grade (under 25) and focus on the specific triggers the tool flags rather than chasing a perfect zero.