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Advanced Email Validator – Regex, MX & SMTP Check is a powerful email validation component for OutSystems. It ensures that email addresses are correctly formatted, have valid mail servers, and (optionally) exist on the recipient’s mail server. This helps prevent invalid or fake email sign-ups, improves data quality, and enhances email deliverability.

This component leverages C# in Integration Studio to perform a three-step verification:
✅ Format Validation – Uses regex to check if the email follows a proper structure.
✅ MX Record Lookup – Confirms if the email’s domain has a mail server configured.
✅ SMTP Handshake – Connects to the mail server and verifies if the email exists.

By integrating this asset into your OutSystems applications, you can ensure higher-quality user data, reduce bounce rates, and prevent fake sign-ups. 🚀

An intuitive UI pattern for managing multiple email addresses in a single input field. Emails are displayed as tags with real-time validation, improving clarity, usability, and data accuracy in forms and applications.

ZeroBounce API is an email validation system created to ensure that email addresses is valid, which helps the business in preventing from bounce emails. It has  several API methods which can be used as per the requirement(single email/bulk email validation).

Note:Zero-bounce is a paid  API service

Abstract Connector offers instant Abstract's APIs connectivity, providing you an easy way to interface with the Abstract's API. With this API connectivity to the Abstract's REST API, users can validate Email, Phone number, VAT and IBAN through Abstract.