EASendMail enables your C#, VB.NET, JScript.NET, ASP.NET or other .NET framework applications to send Text/Html email based on SMTP/ESMTP protocol. It is a full-featured component which supports all operations of the SMTP/ESMTP protocol, MX DNS lookup, sending email in backgroud, simulating SMTP server, multi-threading, sending email in schedule, SSL/TLS, S/MIME, digital signature, failure delivery-report, and many other advanced features.