Will It Spam — free spam-folder checker

Upload .eml · recommendedPaste HTML<br>Drop your .eml here, or browseThe raw headers are the only way to verify one-click unsubscribe.Check email

12 checks, in secondsSee a sample report<br>SPF authentication<br>DKIM signature<br>DMARC alignment<br>List-Unsubscribe header<br>One-click POST support<br>Visible unsubscribe link<br>Unsubscribe not gated<br>Physical mailing address<br>Honest subject line<br>Spam-trigger wording<br>Image-to-text balance<br>Link safety

Will It Spam is an educational tool, not legal advice.