Free tool · No signup
Email Spam Score Checker
Paste your subject and body and we'll flag the patterns spam filters dislike — and tell you how to fix each one.
Analyzed in your browser against common spam-filter heuristics — nothing is uploaded. Real inbox placement also depends on your domain authentication and reputation.
Clean content + a trusted domain = the inbox
utobo Email checks every send, authenticates your domain, and runs an AI spam review before your campaign goes out.