Yes — several free or freemium tools analyse your campaigns before sending and return a spam score (typically out of 10).
Pro tip: aim for a score above 8/10 on Mail-Tester before any important send. Below 7/10, the spam risk is high.
3 must-have tools
| Tool | What it tests |
|---|---|
| Mail-Tester | Score out of 10 + full diagnostic |
| GlockApps | Inbox placement on Gmail, Outlook… |
| MXToolbox | Public blacklist status |
How to use Mail-Tester
- Open mail-tester.com and copy the test address shown
- In Mailpro, build your campaign
- Send a test to that address
- Click Check your score
- Mail-Tester shows the score and the fixes needed
What the score analyses
- Authentication: SPF, DKIM, DMARC
- Content: text-to-image ratio, spam words, HTML tags
- IP reputation: public blacklists
- Technical format: correct headers, valid links
Mailpro covers most of it for you
Mailpro applies best practices by default — SPF/DKIM auth, unsubscribe link, clean encoding, etc. But a final pre-flight check is still useful to validate your specific content.
More on the deliverability hub.
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