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Mailtrap

Mailtrap is an email delivery platform for developer and product teams providing Email API and SMTP sending alongside an Email Sandbox to test staging emails.

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Email Sandbox interface showing captured staging emails, HTML check analysis with client support percentages, and a spam score meter.

About Mailtrap

Mailtrap is an email delivery platform designed for developer and product teams. It provides an Email API and SMTP service to send transactional and promotional emails. It also features an Email Sandbox for developers and QA teams to test staging emails safely.

What you can do

  • Provides developer and QA teams with a sandbox environment to inspect and debug emails during development or staging, capturing outgoing messages so they do not reach real customers.

  • Renders test emails across over 100 email clients and devices in light and dark modes to preview designs and detect formatting or layout bugs.

  • Builds responsive emails using a drag-and-drop or HTML editor, with options to host templates on Mailtrap for user-triggered, marketing, and bulk campaigns.

  • Provides email analytics dashboards with open and click tracking, provider-specific deliverability metrics, and email logs stored for up to 30 days.