Test emails safely, with 5-minute setup, zero maintenance, and no risk of spamming recipients’ inboxes
Safe Email Testing With Fake SMTP Server
Trusted by 150,000+ monthly active users
Capturing emails is easy with Fake SMTP Server
Sign up and copy the fake SMTP credentials
Create an account and open the configuration of your testing environment. Copy the credentials or grab the ready code available for 20+ frameworks and libraries
Integrate your app and send the first email
Add Mailtrap Email Sandbox as your SMTP server and trigger the first email to be sent. After a second or two, it will arrive into your Sandbox inbox.
Check the email content manually or automate the process
Preview the email, check its HTML, spam score or raw headers. Use Sandbox API to do all of these automatically.
Email testing toolset available with Email Sandbox
Validate the HTML/CSS rules included in your emails template. Gauge the support across popular clients – on web, mobile, and desktop.
Automate email testing with a flexible and well-documented API. Save time and be the first to know when something goes wrong.
Build automated tests of your email sequences and include them in your testing suite. Verify each component of a message with Sandbox API.