Communication testing for Product Managers
Deliver high-quality user experiences, every time
All-in-one testing and demo tool for product management teams.
Proven capabilities, trusted by thousands
Seamlessly collaborate across teams
Preview emails
See what your emails really look like, on everything from Microsoft Outlook and IBM Notes on PC, to Apple Mail on iPhone and Gmail on Android.
Bring teams together
Work in harmony with other teams and departments globally with Mailosaur’s centralized system, allowing shared access for 500+ users on a single account.
Replicate real users
Simulate the user journey easily and accurately with access to unlimited email addresses and dedicated mobile phone numbers.
Used by those in the know
This is the easiest solution to test your emails and I can show you how it works in 5 minutes.
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. Mailosaur supports an unlimited number of email addresses you can send to from anywhere.
See how emails render before you hit send
Generate previews of your emails across countless devices, email clients, and even light and dark modes to ensure your customers are getting the exact message you're aiming to send.
Why Mailosaur?
Improve quality
Ensure emails and SMS messages are always sent to the right people at the right time, including password resets and account authentication, for a smooth customer journey.
Separate mailboxes, one place
Easily organize and track progress of various campaigns with designated email addresses for each, all displayed within your dashboard. With a central platform, it’s never been easier to keep on top of projects.
Present ideas clearly
With Mailosaur, visualizing campaigns is made simple. With your own designated email inbox, it’s easy to demonstrate how any email appears to your customers, without additional clutter or personal emails being shown.
Our products
Everything you need to test customer communication
Email testing
Create end-to-end tests that rely on email. Test account verification emails, password resets, email tracking and more.
Email previews
Instantly see how your email will look to any recipient, no matter what email client they use, so there are no nasty surprises.
SMS testing
Build text messages that work. Create end-to-end tests that cover identity verification, alerting, promotional messages, and more.
Test all user interactions
Test end-to-end scenarios, validate emails, and integrate with our API for seamless workflows.
Start your 14 day free trial today.