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Unitpost vs Email Spam Tester

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Unitpost compared with Email Spam Tester
DetailUnitpostEmail Spam Tester
What it doesOne platform for every email your product sends — transactional and marketing Test real inbox placement and 42 technical checks with no signup required
StageNot given Established
FoundedNot given 2026
Based inUS Not given
Pricing modelNot given freemium
PricingNot given Not given
Key features
  • Email builder with visual editor and React components
  • Template gallery with pre-built designs
  • Open and click tracking analytics
  • Domain authentication with DKIM, SPF, DMARC
  • Webhooks and event streaming
  • AI-powered email generation
  • MCP server integration for AI agents
  • Automatic compliance with opt-out and unsubscribe pages
  • Inbound email parsing via webhooks
  • Real inbox placement testing in Gmail, Outlook, Yahoo and more
  • 42 technical checks across authentication, infrastructure, content and compliance
  • SPF, DKIM and DMARC verification
  • Blocklist lookup across 20+ DNS blocklists
  • SpamAssassin-compatible spam score
  • Link reputation checking
  • HTML structure analysis
  • Bulk sender rules for Gmail and Yahoo compliance
  • Fix plan with recomputed score for corrections
  • API and MCP server integration options
What makes it different
  • One platform combines transactional and marketing email
  • Two independent spam engine scores instead of one, including Gmail and Yahoo 2024 bulk sender rules
  • Fix plan recomputes points by scoring corrected message rather than estimating
  • No account, signup or credit card required to run tests
  • Built by practitioner with years of live sending infrastructure debugging experience
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)3 no change since last check18 no change since last check
Trust Flow (Majestic)1817
Citation Flow (Majestic)3325
Referring domains (Majestic)28435

3 details filled in for both companies.

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