Email & SMS test automation for engineering teams
Create and test products that are high quality from the very start.
Join thousands of engineering teams using Mailosaur
Trusted by businesses of all sizes
Focus on building features, not testing infrastructure
Mailosaur lets engineering teams get on with development, rather than maintaining custom testing tools
Developer sandboxes
Allow developers to send, capture and analyze emails during development, with their own personal email and SMS sandbox.
Test email and SMS in one place
Use the same code to capture and test SMS messages, with a single platform that handles all communication testing consistently.
Environment segregation
Shield your development and staging environments by configuring them to send everything to Mailosaur.
Unlimited email addresses
Use any email address you want, no code required
Use a unique email address for every test, build, team member, environment, or any other use case you have. With Mailosaur supporting an unlimited number of email addresses you can use from anywhere.
A proven friend of engineering teams
Mailosaur is extremely reliable and offers easy implementation. The support is thorough, responsive, and very personable.
// Step 1: Send an email into Mailosaur
// Step 2: Fetch your message via Mailosaur
const MailosaurClient = require('mailosaur');
const mailosaur = new MailosaurClient('YOUR_API_KEY');
const criteria = {
sentTo: 'anything@YOUR_SERVER_ID.mailosaur.net',
};
const email = await mailosaur.messages
.get(serverId, criteria);
// Step 3: Complete the process
expect(email.subject).toBe('My password reset');How it works
Boost end-to-end test coverage in minutes with Mailosaur.
Trigger a process in your product that sends out email or SMS (e.g. requesting a password reset).
Why Mailosaur?
Automate with favourite frameworks
Write tests with familiar tools. Supports all major frameworks, including Cypress, Playwright, Selenium, Robot Framework, and more.
Manage team access centrally
Work in harmony with teams and departments globally with our centralized system allowing shared access to the entire team on one account.
Compliant and secure
With comprehensive Information Security and GDPR-compliant controls, we are committed to protecting your data.
Test user interactions today
Test end-to-end scenarios, validate emails, and integrate with our API for seamless workflows.
Start your 14 day free trial today.