smtp pop3 email engine for cobol

CapeSoft Email Server is a compact SMTP & POP3 Server.

Ruby Email Library for POP3 / SMTP

Python Email Library for POP3 / SMTP

Perl Email Library for POP3 / SMTP

Java Email Library for POP3 / SMTP

Allows sending e-mail messages directly from an application using POP3 and SMTP.

Email analyzer SMTP POP3 sniffer

Mail spam filter (SMTP/POP3), includes award-winning SpamAssassin filter engine

Mail spam filter (SMTP/POP3), includes award-winning SpamAssassin filter engine

Full Featured eMail and groupware server, SMTP, POP3, IMAP, SPF, anti-spam