ANSMTP Object is a high performance, easy- to-use and full-featured SMTP COM Object (email component) which enables your ASP, VB, VBA, VC++, C#, VB.NET or other COM environment applications to send rich TEXT/HTML email based on 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. - 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.