VerifyForge

For developers who want to catch invalid or temporary addresses before they enter their systems, VerifyForge checks email addresses through an API, software development kits, or an embeddable website widget. Its checks include syntax, DNS and MX records, SMTP verification, and disposable-email detection, with results such as validity and reachability to help decide whether to accept an address. Use it to validate addresses as people type them into forms, check individual addresses through the API, or process email lists in bulk. The widget can be configured to allow or block categories such as disposable, role-based, and free-provider addresses, and its messages can be customized for a form. VerifyForge provides SDKs for Python and TypeScript/JavaScript, making it suited to teams integrating email checks into signup flows, applications, or list-cleaning workflows.

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