A free SMTP sandbox for testing application emails.
Capture development emails with a hosted test SMTP server. Inspect HTML, headers and attachments, with 2,500 emails a month free.
Read guide →DEVELOPER GUIDES
Build email tests you can trust.
Choose a workflow, connect your application and inspect the messages it sends.
Make email part of your automated tests.
Wait for test emails, inspect message content and automate assertions using the SMTPBox REST API with Bearer authentication.
Read guide →Test the email Laravel actually sends.
Test Laravel mailables, notifications and queued emails in a hosted SMTP sandbox. Inspect real messages without delivering to customers.
Read guide →A test inbox for your Node.js email.
Test Nodemailer email with a hosted SMTP sandbox. Configure STARTTLS, inspect HTML and attachments, and automate Node.js email assertions.
Read guide →Test the complete password reset journey.
Test password reset emails, verification links and account journeys safely using captured messages and repeatable API assertions.
Read guide →Reliable email checks in CI and Playwright.
Capture email from CI runners and test it with Playwright. Wait for a unique message, check processing and validate links safely.
Read guide →