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MailTester Ninja vs FutureMail

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

MailTester Ninja compared with FutureMail
DetailMailTester Ninja logo MailTester NinjaFutureMail logo FutureMail
What it doesEmail verification and finder tool that processes data in real time without storage Email hosting for your own domain, built for people and their AI agents
StageNot given Startup
FoundedNot given Not given
Based inNot given US
Pricing modelFreemium Freemium
PricingFree version verifies one email at a time with no signup. Pro plan: 100,000 emails per day. Ultimate plan: 200,000 emails per day. Plan quantities can be multiplied at checkout; for example Ultimate x5 gives 1,000,000 emails per day. Bitcoin payment accepted via Pay with crypto option. Free plan: sandbox domain (myapp.fm-sandbox.dev), up to 10 recipients per rolling 24 hours (300 a month), no card required. Pro: $20/month, 50,000 recipients a month, unlimited custom domains and addresses, agent inboxes, REST API, CLI and MCP server. Charged in USD monthly; hard limits with no over
Key features
  • Real-time email verification checking DNS records and SMTP
  • Email finder to discover valid business contact addresses
  • Detects invalid, disposable and catch-all addresses
  • Anti-spam detection and deliverability analysis
  • Syntax validation for email format
  • RESTful API integration for applications
  • Analytics and reporting of verification results
  • CSV export and spreadsheet integration
  • No data storage or retention of verified emails
  • GDPR compliant privacy-first verification
  • Unlimited domains and email addresses
  • Agent inboxes with scoped API keys
  • REST API and Resend-compatible API
  • Remote MCP server
  • Keyboard-first web inbox with threading and search
  • SMTP relay and CLI tool
  • DKIM, SPF and DMARC setup with live verification
  • Webhooks, templates and scheduled sends
  • Open and click tracking
  • Team roles and audit log without per-seat fees
What makes it different
  • Never stores verified email addresses on servers, ensuring full GDPR compliance
  • Achieves bounce rate of less than 1% with verified emails
  • Uses deep technical analysis beyond surface-level email checks
  • No signup required, free access with no personal data collection
  • Over ten years of industry experience in email verification and deliverability
  • Agent-native with scoped API keys and MCP server integration
  • Resend-compatible API for drop-in migration
  • One flat price for unlimited domains and team members
  • Built-in deliverability with automatic suppression
  • Transactional email only for consistent deliverability
Community votes00
DR (Domain Rating by Ahrefs)39 +2 (up) since last checkNot checked yet no change since last check
Trust Flow (Majestic)142
Citation Flow (Majestic)3222
Referring domains (Majestic)20710

5 details filled in for both companies.

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