Grow with us: Join Postmark's new referral partner program and start earning
x

Introducing Sandbox Mode, a safe environment for email testing

Whether you’re new to Postmark and are still exploring or are working on new ways to integrate Postmark with your products, we know that sometimes you just want to try things out.

We’ve heard from many of you that you’d love to see a safe space to test and experiment with Postmark—without the risk of accidentally sending tests to real customers or damaging your sender reputation. Sandbox Mode, our newest addition to Postmark, lets you do just that.

Learn more →