Confident communication for marketers
The tool marketing professionals use to perfect their campaigns.
Trusted by marketing teams globally
Marketing success with email and SMS
Giving you peace of mind that your email and SMS campaigns run seamlessly.
Test tracking
Get accurate data from your campaigns and have the reassurance that open tracking functionality really works on your marketing emails.
Preview emails
See what your emails really look like, on everything from Microsoft Outlook and IBM Notes on PC, to Apple Mail on iPhone.
Get peace of mind
Ensure emails and SMS messages are always sent to the right people at the right time and catch errors before they are sent to customers.
Ensure high quality content
Test your email design, functionality, and personalization and get peace of mind that everything is delivered to the highest standard.
What marketers think
Mailosaur is extremely reliable and offers ease of implementation. The support is thorough, responsive, and very personable.
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 that you can send to from anywhere.
Why Mailosaur?
Test automated responses
Ensuring customers receive the correct automated email response is vital to the reputation of your brand. With Mailosaur, you can rest easy that customers receive the correct response at any time.
Get complete visibility
With Mailosaur's preview feature, visualizing or presenting campaigns is made simple. Get screenshots of how any email appears to all customers, in any email platform, and even in things like dark mode.
Bespoke testing for each campaign
Not all campaigns are built equal, meaning a testing framework may work for one, but not be comprehensive enough for others. With Mailosaur, you have total confidence that your campaigns will always work as they should.
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.