Email Address Validation (EAV) resources

We have everything you need for email validation. A component, batch validation software, an online utility, sample source code, and Javascript regular expressions.

Our advanced validation checks address format (including valid characters), gets DNS (MX) records, and verifies usernames using SMTP.

Programming tools

HexValidEmail component
An ActiveX/COM component that checks email address syntax, domain, and username. You can use this component with almost any Windows development tool, including ASP, VB, .NET, C++, Cold Fusion, Delphi, and more.

Sample code
Demonstrates how to validate email addresses using HexValidEmail.

Regular expressions
Handy expressions for verifying email addresses client-side in web browsers.

Ready-to-run applications

Tutorials

HexValidEmail concepts
Explains the basics of verifying email addresses.