ANSMTP SMTP component provides an easy way to enable your ASP, VB, VBA, VC++, Delphi, C#, VB.NET, JScript.NET, ASP.NET or other COM environment applications to send rich TEXT/HTML email based on SMTP or ESMTP protocol. It also can lookup DNS MX record to send email without specified SMTP server. ANSMTP consists of two objects: IMail and IFastSender. IMail interface provides the basis of sending email. It supports CC, BCC, multiple attachments and ESMTP authentication. It fully supports asynchronous operating mode and event driving. It also provides advanced features such as embedded picture and alternative text. IFastSender interface enables your application to send mass email in a threadings-pool with highest performance. Both IMail and IFastSender can send email under SSL/TLS channel with SSL/TLS Plus for ANSMTP/ANPOP license. EASendMail Service is a light, fast email delivery service which works with EASendMail .Net Component and ANSMTP SMTP Component. It enables your application to send mass emails in background service. And it also supports picking the recipients from database in background and sending email in specified datetime. It saves a lot of time in developing application especially in newsletters application.