The repository provides a fully functional multithreaded multi connection Email server, which works asynchronously in a thread pool, accepts the POP3, IMAP, and SMTP connections, delivers E-mails via the SMTP protocol, and relays outgoing E-mails to end-recipients across the Web. The SSL/TLS encryption is available, as well.
Please Read the Article, which describes how to implement a multi-session e-mail server in Delphi, using server components from the Clever Internet Suite library.