Free Tools
mail-tester
mail-tester checks whether your emails are likely to land in spam.
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- Added
- Oct 31, 2026
- Source
- mail-tester.com
What you can do with it
- Send a test email and get a score out of 10
- Check SPF, DKIM and DMARC setup
- See spam-filter warnings
- Fix problems before a campaign
Good to know
A few free tests per day.