ANSMTP provides an easy way to enable your ASP/VB or other COM environment applications to send rich TEXT/HTML email based on SMTP/ESMTP protocol. Features: Supports asynchronous operating mode and event firing, anonymous email, sending mass email with one SMTP session, embedded picture, customized header, CC, BCC, multiple Attachments, ESMTP Authentication, log file function to debug program, file import to email body, multiple languages charset and UNICODE, ConvertHTML function for HTML/ TEXT automatic conversion, import html file and embedded pictures to email in one step. It can also lookup DNS MX record to send email without specified SMTP server. In the new version, it can test whether an email address is valid.