Mailosaur

A testing platform that automates email and SMS workflows, solving the problem of validating user flows like sign-ups and authentication. It sells to engineering, QA, product, and marketing teams in companies of all sizes, from startups to enterprises. It is delivered as a SaaS with APIs and integrations for Cypress, Selenium, and Playwright, and uses real devices for accurate email previews.

Key features

• Email testing
• SMS testing
• Email previews
• Rules for scenarios
• Custom domains
• Enterprise SSO
• Forwarding rules
• Links and codes
• Message analysis
• Sending, replying, forwarding emails
• Virtual SMTP servers