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Mailosaur

Preview, test and trust every customer touchpoint

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Mailosaur is an email and SMS testing platform that provides secure inboxes, dedicated test numbers, and real-device email previews for validating flows such as sign-ups, password resets, and authentication. It supports both manual and automated testing through an API and integrations with common testing frameworks.

Key features include Rules for simulating bounces, auto-replies, and server errors; Custom Domains; Forwarding Rules; Message Analysis; Virtual SMTP Servers; and email compatibility and accessibility testing. It integrates with Cypress, Selenium, Playwright, Cucumber, Postman, and multiple programming languages, and offers previews across clients, devices, and dark mode. Security features include SSO (SAML2 and OIDC), SCIM, and ISO 27001:2022 certification.

Mailosaur is aimed at engineering, QA, product management, and marketing teams. It is packaged in Personal, Core, and Enterprise editions with seat-based and usage-based limits, plus a 14-day free trial.

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