Is Your Email Landing in Spam?
Send a test email and get a detailed deliverability report with actionable fixes. Check SPF, DKIM, DMARC, blacklists, content, and more.
How It Works
Three simple steps to check your email deliverability
Send a Test Email
We generate a unique email address. Send your email to it from your ESP or email client.
We Analyze Everything
Our engine runs 25+ checks on authentication, reputation, content, and infrastructure.
Get Your Report
Receive a detailed score with actionable recommendations to improve deliverability.
What We Check
25+ checks across authentication, reputation, content, and infrastructure
Authentication
SPF, DKIM, DMARC, BIMI, rDNS, and MX record validation
Blacklist Monitoring
Check your IP and domain against 50+ blacklists
Content Analysis
Spam word detection, subject line analysis, HTML best practices
Infrastructure
TLS verification, HELO match, IP type detection
Detailed Reports
Score 0-100 with per-check pass/warn/fail status and fix guides
Free DNS Tools
7 standalone tools for SPF, DKIM, DMARC, MX, and more
Score Trends
Track your deliverability improvements over time
API Access
Automate testing with our REST API and webhooks
WORKS WITH EVERY EMAIL PROVIDER
What Our Users Say
“EmailChecker helped us identify a DMARC misconfiguration that was sending 30% of our emails to spam. Our open rates jumped 40% after fixing it.”
Sarah M.
Email Marketing Manager
“We use the API to test every transactional email template before deploying. No more deliverability surprises.”
James R.
SaaS Founder
“The standalone tools are incredibly useful for quick DNS checks. We use the SPF and DMARC checkers daily.”
Lisa K.
Agency Director