Test everything that relies on email
Ensure every email-dependent process works flawlessly by testing notifications, alerts, and messages across real devices, clients, and conditions—so nothing breaks when it matters most.
What are you trying to test?
Eliminate mistakes in your emails
Ensure every email is error-free before it reaches your customers—no broken layouts, typos, or missing details.
Automate any email-dependent tests in minutes
Set up automated tests for emails in minutes. Save time, reduce manual effort, and ensure every message works exactly as expected before it goes live.
Test emails on real devices before they go live
See how your emails render on real devices before they reach customers, so you can fix issues early and ensure they display exactly as intended.
Built to plug into your workflow
Integrate testing into your existing tools, pipelines, and processes, no heavy setup, no disruption, just better testing.
Even more reasons to test your emails!
Beyond the basics- cover every scenario, edge case, and inbox your customers rely on.
Create as many test accounts
Ditch personal or throwaway email accounts. Create as many test addresses as you need to test different users, journeys, and edge cases.
Share emails with your team
Send test emails to your team instantly, spot issues faster, fix problems sooner, and launch without delays or surprises
Capture every email you send
Automatically collect all outbound messages sent by your product. Mailosaur gives you access to dummy SMTP servers, ensuring you always know exactly what your product is sending.
Test your product’s incoming emails
Make sure your product can receive, and process replies, forwards, and new messages from customers- perfect when building support products, reply-to functionality, and more.
Mimic Errors and Auto-Replies
Easily reproduce hard-to-test scenarios like out-of-office replies, email bounces, and more. Go beyond the happy path when testing email and catch the edge cases others miss.
Test SMS alerts & notifications too
Send SMS from a test number to safely check content, formatting, and behavior, without touching real customer data or needing real devices.
Generating inboxes instantly changed everything
Gave us the ability to generate multiple inboxes with ease, which provided scalability and flexibility.
Test it all in one place
One platform for every message, every device, every test.
Without switching tools or missing a thing.