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Email Delivery Test

Catch deliverability regressions in CI — check authentication, spam score, and more

Generate a test address, then send an email to it from your mail server.

🛡️ 45+ blacklists checked 🔬 14 analyzers 👤 No account required 🆓 Free to use

📊 Can't send email right now? Try our free Domain Scan →

What we check

🔐
Authentication
SPF, DKIM, DMARC verification
📊
Spam Score
SpamAssassin + Rspamd analysis
🛡️
Blacklist Check
45+ blacklists checked
🔒
TLS & Infrastructure
Transport security & reverse DNS
📋
Compliance
Gmail/Yahoo sender requirements
📈
Monitoring
Score history & domain monitoring

How it works

1. Generate a unique test address above

2. Send any email to it from your mail server

3. Get a detailed report scoring your email on:

landing.ci_title

🚦
landing.ci_gate_title
landing.ci_gate_desc
📡
landing.ci_monitor_title
landing.ci_monitor_desc
🔗
landing.ci_webhook_title
landing.ci_webhook_desc
📉
landing.ci_trends_title
landing.ci_trends_desc

landing.badge_title

landing.badge_desc

deliverabilitydeliverability9.29.2
![Deliverability](https://mailcheck.secbytech.com/badge/yourdomain.com.svg)