Catch all emails
Virtual SMTP servers from Mailosaur
Capture every email your product sends for effortless email and SMS testing.
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.
Start testing
Watch as your emails instantly appear within your Mailosaur account.
Capture every email your product sends during development and QA
Mailosaur’s dummy SMTP servers capture every email you send, meaning an email will never be accidentally sent to a real customer by mistake.
Improve the quality of your emails
Securely access any email from the Mailosaur Dashboard, to preview how it looks on any device and analyze your content for errors or issues.
Unlimited email addresses
Unable to change your SMTP settings?
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!).