SMTP/POP3 Email Engine for Delphi 

SMTP / POP3 Delphi email component library to send and receive mail, including HTML and MIME attachments, from within an application. Knowledge of Winsock and TCP/IP not needed. Not dependant on support libraries. Supports all versions of Delphi.
smtp pop3 email winsock component library mime tcp/ip control email component html mail base64 uuencode

Clever Internet Suite 

MIME support.The components allow you to download, upload and post the Internet-resources asynchronously without interfering with mainapplication processes. SSL enabled FTP client. The set of e-mail components can connect to mail servers.
download upload http ftp ftps https ssl smtp pop3 mime gzip imap smime post

Clever Internet ActiveX Suite 

full MIME supportThe Clever Internet ActiveX Suite v 5.0 allows you to download, upload and post the Internet-resources asynchronously andobtain all related information without interfering with main application processes.
activex download upload http ftp https ssl smtp pop3 mime gzip zlib secured vb

Mail Inspector 

Mail Inspector can check for new emails and notify you. Delete mails directly on the server without downloading them. Includes some powerfull anti-spam filter. You also can send out quick-mails. Supported standards: POP3, IMAP4, SMTP, SSL, APOP
email spam anti anti-spam check send smtp pop3 imap4 ssl apop sending receive receiving

SMTP/POP3 Email Engine for Visual Basic 

SMTP / POP3 Visual Basic (VB .NET) email component library uses a simple API to send and receive mail, including HTML and MIME attachments, from an application. Supports all versions of Microsoft VB and VB .NET. Not dependant on support libraries.
smtp pop3 email winsock component library mime tcp/ip control email component html mail base64 uuencode

DTKMail 

The DTKMail is a C++ library for receiving, sending, and managing email.You can easy send and receive mails, including HTML and MIME attachments from within your application using this library.
email dtkmail smtp pop3