Capture every email your product sends during development and QA
Avoid sending emails to real customers
Mailosaur’s dummy SMTP servers capture every email you send, meaning an email will never be accidentally sent to a real customer by mistake.
Use with any email system
No matter what product or service you use to send email, everything can be captured using Mailosaur’s catch-all email servers.
Separate inboxes for each environment
Create individual inboxes to easily distinguish between different environments or projects, without all your test emails being cluttered together.
Learn more about testing via SMTP
How To Test Using Mailosaur’s SMTP Server
Copy & paste your SMTP credentials
Find these in the Server settings screen, and paste them into your product's settings
Send your first email
Any email you send via SMTP will be captured by Mailosaur, regardless of email addresses used
Now you can start testing
Watch as your emails instantly appear within your Mailosaur account
Here are some other benefits
Improve the quality of your emails
Accessible emails, no matter where you are
Securely access any email from the Mailosaur Dashboard, to preview how it looks on any device and analyse your content for errors or issues.
Can be used with any language or testing framework
Mailosaur integrates with the tools developers and QA teams know and love, so you can create seamless test coverage for emails.
Spend less time on testing infrastructure
Use the world's most powerful suite of email testing tools and focus on maintaining and improving your product while we handle the day-to-day.
Unable to change your SMTP settings?
Unlimited email addresses
With Mailosaur, you can test easily just by using your unlimited number of unique email addresses for every project, team, developer, test, etc. without the need for SMTP (although it is often easier!).