Features

Email testing features for engineering teams.

A real SMTP server with real-time delivery, spam analysis, HTML compatibility checks, and a REST API for CI integration. Everything you need to test email confidently.

Real-Time Inbox

WebSocket-powered email updates. New emails appear in under a second with full headers, body, and attachments.

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Spam Scoring

Industry-standard rspamd analysis with full triggered-rule breakdown. Catch deliverability issues before sending to production.

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HTML Compatibility

Flags rendering issues across Gmail, Outlook, Apple Mail, Yahoo and 8 more clients. Catches Outlook-broken layouts before launch.

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Test Automation API

REST endpoints for CI/CD assertions. Verify that specific emails were sent, to whom, with what subject and content.

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Multiple Inboxes

Separate staging from production from QA. Each inbox gets unique SMTP credentials you can rotate any time.

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Ready to test email the right way?

Start free — no credit card required. Set up in under 60 seconds.

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