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Mailsac is a developer-focused email testing platform offering disposable inboxes for QA and software teams. It enables safe, automated testing of email functionality using REST APIs and WebSockets. Mailsac simplifies email deliverability checks without real inboxes, supporting integration into CI pipelines and reducing risks in production environments.

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Product details

Mailsac

Mailsac is a developer-centric email testing platform designed to simplify and automate email delivery testing. It provides disposable email inboxes and robust APIs for developers, QA teams, and IT professionals to test email functionality without using real email addresses.

Features

  • Disposable Inboxes: Instantly receive emails without registration.
  • REST APIs & WebSockets: Programmatic access to inboxes and messages.
  • Email Forwarding & Webhooks: Route emails to Slack, POP3, or custom endpoints.
  • Custom Domains & Private Addresses: Use branded domains and secure inboxes.
  • Email Validation & Debugging Tools: Verify email addresses and inspect message content.
  • Slack Integration: Receive test emails directly in Slack channels.
  • Unified Testing Inbox: Centralized view for all test messages.

Capabilities

  • Simulate incoming and outgoing email traffic.
  • Automate email testing in CI/CD pipelines.
  • Store and manage email attachments.
  • Load test email systems.
  • Verify delivery and formatting of transactional emails.
  • Integrate with popular programming languages and frameworks.

Benefits

  • Time-Saving: Eliminates manual email testing.
  • Secure & Isolated: Keeps test emails separate from production.
  • Scalable: Suitable for startups to enterprise-level QA teams.
  • Reliable: Trusted by thousands of teams for consistent performance.
  • Affordable: Flexible pricing plans for different business needs.