Microsoft Copilot security directory

MailboxValidator (Independent Publisher)

Published by Troy Taylor, Hitachi Solutions

Medium risk

MailboxValidator API is easy to integrate and use for email validation. Validate and clean your email list by detecting disposable emails, invalid emails, mail server and much more.

Security assessment

Plutonium assessed this connector for permissions, capabilities, and security-relevant behavior.

  • Can send messages as you: This connector can post messages, emails, or notifications on your behalf. Recipients will believe the message came from you, which makes phishing or social-engineering risks higher.
  • Sends your data to outside companies: Anything you share with this connector flows to a third-party service. That company sees, stores, and may use the data according to their own policies.

Available capabilities

This add-on exposes 3 tools or capabilities.

  • Validate a single email address
  • Validate email address is from a disposable email provider
  • Validate email address is from a free email provider

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