The Ultimate SMTP component is a part of the Mail Component which offers a comprehensive interface for composing and sending e-mails directly to recipients or via SMTP server, all from within your application. In addition, it also allows you to decrypt, encrypt, sign, and validate email messages.
* Features
* Sending email messages easily
* Supports MIME and S/MIME
* Security and Reliability
* Supports HTTP Connect, SOCKS4, SOCKS4A & SOCKS5 Proxy Servers
* Support for IPv6, the next generation Internet protocol
* .NET Technology
* Supports many .NET Platforms
* Supports event-driven (Asynchronous) and blocking (Synchronous) Design
* Flexibility
* Fully Documented
* Lots of SMTP client samples in VB.NET, C#, and ASP.NET
* Royalty-free
* Sending email messages easily

The SMTP component offers a comprehensive interface for SMTP, providing the developer with everything that he needs to incorporate email sending tasks in an application as listed below:
* Connect to standard SMTP server or secure SMTP server over TLS/SSL. It supports both Implicit and Explicit security modes
* Send bulk messages
* Send to relay SMTP server
* Quick send with static methods
* Submit to IIS SMTP queue
* Support PIPELINING
* Delivery Status Notification (DSN)
* Obtain mailbox information

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