ANPOP POP3 Component Build   
http://www.emailarchitect.net

ANPOP is a high performance and easy-to-use POP3/IMAP4 component. It enables your ASP, VB, VC++, C#, VB.NET, ASP.NET, VBS, Jscript, WScript, Delphii or other COM environment application to retrieve email from email server using POP3 and IMAP4 protocols and parse email based on MIME. ANPOP supports all operations of POP3/IMAP4 protocol and provides many advanced features as follows: - Support POP3 commands: USER, PASS, APOP, NOOP, RSET, TOP, LIST, STAT,UIDL, RETR, QUIT; - Support synchronous and asynchronous mode; - Get email header without downloading the whole email from server; - Get email size/message-id from server; - Delete/Undelete email; - Log file to record all sessions between client and server; - Load email from file or binary stream; - Save email to file or IMSGSTORE interface; - Get specified header value of email; - Parse sender, recipients, subject, body and attachments; - Export attachment to file or binary stream; - Create customize mailbox to store email files; - Load email to IPOPMSG interface; - Save/Move/Delete/Enumerate emails in specified mailbox; - Create/Clear/Delete mailbox; - Send request of retrieving email to local/remote service; - Enable ASP/ASP.NET to retrieve emails in background; - Unlimited queued request; - Edit email headers; - Support SSL/TLS connection; - Support Secure Password Authentication(SPA); - Decrypt encrypted email and verify digital signature; - Support IPv6; - Support IMAP4; - and more.

ANSMTP SMTP Component Build   
http://www.emailarchitect.net

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 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).