Last updated: 2026-03-15

Free Email Deliverability Checker

By Giovanni Lepori — Head of Customer Success at Hunter.io

A fast, free diagnostic of your domain’s email deliverability health. Understand authentication gaps, sender reputation issues, and readiness for inbox placement, and gain clear, actionable insights to improve performance across outreach campaigns.

Published: 2026-03-15

Primary Outcome

Know your domain's deliverability health and the exact issues affecting inbox placement.

Who This Is For

What You'll Learn

Prerequisites

About the Creator

Giovanni Lepori — Head of Customer Success at Hunter.io

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FAQ

What is "Free Email Deliverability Checker"?

A fast, free diagnostic of your domain’s email deliverability health. Understand authentication gaps, sender reputation issues, and readiness for inbox placement, and gain clear, actionable insights to improve performance across outreach campaigns.

Who created this playbook?

Created by Giovanni Lepori, Head of Customer Success at Hunter.io.

Who is this playbook for?

Marketing manager at SMB aiming to improve cold email inbox rates, Sales team lead optimizing outbound campaigns for higher reply rates, Freelance outreach consultant auditing client domains for deliverability

What are the prerequisites?

Basic understanding of sales processes. Access to CRM tools. 1–2 hours per week.

What's included?

instant-health-check. domain-authentication-issues. inbox-placement-improvement

How much does it cost?

$0.25.

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