Test emails like never before
Create disposable inboxes instantly. Simulate SMTP errors, bounces, and delays. Monitor DMARC compliance in real-time.
Everything you need to test email
Powerful tools for developers and QA engineers
Disposable Inboxes
Create unlimited test inboxes instantly. Send emails to any address on your domain.
SMTP Simulation
Test error codes, delays, and bounces. Simulate any SMTP response for thorough testing.
DMARC Analytics
Monitor email authentication in real-time. Track SPF, DKIM, and DMARC compliance.
Webhook Delivery
Get notified when emails arrive. Forward to your app via configurable webhooks.
Full API Access
Integrate with your CI/CD pipeline. Automate email testing with our comprehensive API.
Real-time Updates
See emails arrive instantly via WebSocket. No refresh needed, ever.
How it works
Three simple steps to start testing
Create an inbox
Add your domain and start receiving emails at any address instantly.
Send test emails
Use plus addressing to simulate bounces, delays, and error codes.
Analyze results
Review deliverability scores, authentication results, and more.
Built for teams like yours
From development to production
QA Engineers
Test email flows without real addresses. Verify templates, track links, and validate content with disposable inboxes.
DevOps Teams
Integrate email testing into CI/CD pipelines. Automate bounce handling tests and verify SMTP configurations.
Email Developers
Debug templates and deliverability issues. Analyze headers, authentication, and spam scores in detail.
Security Teams
Monitor DMARC compliance across all sending sources. Identify unauthorized senders and alignment issues.