ANSMTP Object is a high performance, easy- to-use and full-featured SMTP COM Object (email component) which enables your ASP, VB, VC++, C#, VB.NET, ASP.NET, VBS, Jscript, WScript, Delphi or other COM environment application to send rich text/HTML email using the SMTP/ESMTP protocol. ANSMTP supports all operations of SMTP/ESMTP protocol and provides many advanced features as follows: - supportText/Html/Alternative body; - support Multiple attachments and embedded pictures; - import text/html to email body from specified file; - support "AUTH MSN" authentication. - add customized headers in email; - save email as specified file; - support normal recipient, carbon copy recipient and blind carbon copy recipient; - support ESMTP "AUTH LOGIN" authentication; - DNS lookup to send email without specified smtp server; -test validity of email address; - send email via queuing of IIS SMTP Service; - support Asynchronous mode and event driving; - support unlimited threads up to the limits of operating system; - smart Threadings-Pool which can automatically increase or decrease worker thread in need; - support SSL/TLS connection; - support signed and encrypted message; - support secure password authentication; - support email encryption algorithm - RC2, RC4, DES, 3DES; - send email via socks4/ socks5/ http proxy server; - support IPv6; - and more. Though it is simple to use, many featured examples are provided in the download to get you started quickly. New features added in this version: - support "AUTH MSN" authentication. - support mail queuing with EASendMail Service (a tool for sending mass mail).