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Anypost 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.

Anypost compared with Email Spam Tester
DetailAnypostEmail Spam Tester
What it doesTransactional and broadcast email through a simple API, at a fraction of legacy email-API pricing Test real inbox placement and 42 technical checks with no signup required
StageNot given Established
FoundedNot given 2026
Based inNot given Not given
Pricing modelfreemium freemium
PricingFree tier with 3,000 emails/month. Paid plans: Starter $20/mo (100,000 emails, then 20¢/1,000), Growth $40/mo (400,000 emails, then 10¢/1,000), Scale $80/mo (1,000,000 emails, then 8¢/1,000). High volume customers receive rates as low as 5¢/1,000. Not given
Key features
  • 8 SDKs (TypeScript, Python, PHP, Ruby, Go, Rust, Java, C#)
  • HTTP API and SMTP relay
  • Markdown email rendering
  • AI template generator
  • Email event tracking
  • Webhooks and events API
  • Tags and campaign filtering
  • One-click unsubscribe handling
  • Automatic DKIM and SPF
  • Batch sending and idempotency keys
  • 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
  • Markdown email writing eliminates HTML complexity
  • AI-powered template generation from plain language descriptions
  • Modern bare metal infrastructure owned and operated directly
  • Fraction of legacy email API pricing
  • Unified event system across all sending methods
  • 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)14 no change since last check18 no change since last check
Trust Flow (Majestic)2017
Citation Flow (Majestic)3125
Referring domains (Majestic)13335

4 details filled in for both companies.

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