Email Spam Score Checker

Heuristic spam score for subject + HTML/text content without sending a probe.

How it works

Get a quick spam-risk score for this email

Paste subject + body → click Check spam score → see a 0–100 cleanliness score with penalties for wording, CAPS, punctuation, links, and image-heavy HTML.

Or start from a real-life example

Results appear here after you click Check spam score.

Ready to send with MailShrine?

New accounts get free signup credits. Fix the copy, then send from MailShrine.