Device Previews is now live in Sandbox. Send an email to Sandbox, pick the clients and devices you want to test, and get a screenshot for each. Light and dark mode included, with 100+ clients and devices to choose from. Explore more: docs.mailtrap.io/email-sandb…
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How to create Device Previews ⬇️ 1️⃣ Select an HTML message, open the Device Previews tab, and click Test on Devices.
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2️⃣ In Clients and devices, choose from Mobile, Desktop, and Web(select light- and dark-mode variants) and click Preview on devices.
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3️⃣ Mailtrap will render your previews and show the results.

Sep 8, 2026 · 9:14 AM UTC

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4️⃣ Preview templates that you can use for campaigns, automations, and transactional emails. Open the template and click Send Test.
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5️⃣ Select Device Previews and choose the Sandbox. Mailtrap sends the message to Sandbox and opens its Device Previews tab.
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