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How to Connect Apollo.io with Mail-Tester (2026)

Apollo.io

Apollo.io

★★★★ 4.6
Prospecting Sales Outreach

Apollo.io is an all-in-one sales intelligence and engagement platform with a database of over 275 million contacts. It combines prospecting,…

Full Review
Mail-Tester

Mail-Tester

★★★★ 4.5
Email Deliverability Email Marketing

Free email spam score checking tool that analyzes your emails for spam triggers and deliverability issues.

Full Review

About These Tools

Apollo.io: Apollo.io is an all-in-one sales intelligence and engagement platform with a database of over 275 million contacts. It combines prospecting, enrichment, and outreach automation in a single workflow.

Mail-Tester: Free email spam score checking tool that analyzes your emails for spam triggers and deliverability issues.

Key Features

Apollo.io

  • Contact database
  • email sequencing
  • dialer
  • LinkedIn integration
  • buying intent signals
  • data enrichment

Mail-Tester

  • Spam score testing
  • SPF check
  • DKIM check
  • DMARC check
  • Blacklist check
  • Content analysis

Pricing

Apollo.io

Freemium $0-99/mo

Mail-Tester

Free Free

Detailed integration guide coming soon. We're researching the specific ways Apollo.io and Mail-Tester work together — including native integrations, third-party connectors, and API options. Check back for a complete step-by-step guide.

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