Mailtrap is an email delivery platform built for software developers and product teams that need a safe email sandbox during testing plus a reliable transactional and bulk SMTP service in production. Marketed as an email testing and sending service for developers, Mailtrap combines a SMTP and API sandbox that captures test emails without sending them, transactional and bulk email sending, deliverability analytics with bounce and click tracking, suppression lists, and SDKs for Node, Python, Ruby, PHP, and Go. Mailtrap is the go-to platform for SaaS engineering teams testing signup and password-reset emails before production, ops teams sending bulk product updates, and dev shops who want a single tool for both testing and live email delivery.