Features:

• Create custom applications using Windows forms or ASP.NET
• Verify email addresses to seven levels of validation, from syntax check to querying accounts on mail servers
• Validate lists of email addresses with a single method call
• Retrieve mail exchange servers (MX Records) associated with an email address
• Includes fully configurable classes for regulating DNS and SMTP connections
• Options for item completion-only progress, or granular step-by-step progress, for address list validation
• Utilizes performance-enhancing features such as domain caching, a "greenlist" for marking domains that validate all addresses (including bad ones), and persistent connections for email addresses that share domains
• Fully supports both event driven (asynchronous) and blocking (synchronous) application designs
• Allows user-interface events to process during synchronous use
• No knowledge of SMTP or DNS protocols is required. Documentation provides theory of operation
• Supports full drag/drop integration within Visual Studio
• Royalty-free distribution
• 100% managed code. Samples are included
• Integrates with all versions of Visual Studio and supports C#, VB.NET, ASP.NET, Delphi 8, C# Builder, and other .NET compliant development environments