Mail-Tester
Spam score tester and email deliverability checker with raw header analysis
pricingfree tierapichecked 25 Aug 2026
What Mail-Tester is
Mail-Tester is an email deliverability and spam score testing service that evaluates outgoing marketing messages for SPF, DKIM, DMARC, reverse DNS, and SpamAssassin compliance. Users send a single test email to a temporary address to receive an instant score out of 10 along with detailed technical instructions to fix configuration errors before launching campaigns.
Pricing
| Plan | Price | What you get |
|---|---|---|
| Micro Pack | On request | 20 email spam test credits, full SpamAssassin breakdown, SPF/DKIM verification |
| Agency Pack | On request | 200 email spam test credits, full API access, JSON report export |
| Enterprise Pack | On request | 2,500 test credits, high-volume automated testing API, priority queue |
Credits do not expire and can be used on demand.
Free access: Free web testing allowance up to 3 test emails per day
read from the vendor pricing page · 25 Aug 2026 · how we verify
Best for
- Email marketers and newsletter publishers auditing newsletter templates for spam triggers
- Developers testing transactional email deliverability and authentication headers
Not for
- Graphic designers editing print layout raster dimensions
Integrations
Mail-Tester alternatives
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Head to head: Mail-Tester vs Kickbox
Compiled by Stepan Noianov from the vendor's own site and pricing page. Something wrong? Report an inaccuracy.