邮件相关知识网站

Cyrus IMAP server http://www.cyrusimap.org

http://www.cyrusimap.org/docs/cyrus-imapd/2.2.13p1/overview.php#notification

base IMAP server,   mail file system.

feature: new mail foundataion

dovecot

http://www.dovecot.org/

wiki IMAP Server

pop3 rfc

http://tools.ietf.org/html/rfc1939

http://tools.ietf.org/html/rfc2449

imap rfc

http://tools.ietf.org/html/rfc3501

microft exchange server

imap , pop3 etc.