SMTP
Courier Mail Server - mail/groupware server The Courier mail transfer agent (MTA) is an integrated mail/groupware server based on open commodity protocols, such as ESMTP, IMAP, POP3, LDAP, SSL, and HTTP. Courier provides ESMTP, IMAP, POP3, webmail, and mailing list services. Supports Unix. GPL (Sep 2003)
dkimap4 - IMAP 4 daemon for Unix/Win32 dkimap4 is a fast, easy-to-install IMAP4 daemon for UNIX and Win32 platforms. It supports mail folder quotas, ACL, UID+. Includes POP3 too. (Oct 2000)
Open WebMail - a web-mail system Open WebMail supports multiple languages, fast folder access, efficient message movement, full content searching, complete MIME display capability, spelling check, draft folder, POP3 mail fetching, and more. GNU GPL (Aug 2001)
XMail - SMTP POP3 email server XMail is an SMTP POP3 server with multiple domains, SMTP relay checking, RBL and custom spam protection, a POP3 synchronizer accounts, aliases, and more. Supports Linux and Windows NT. Open Source. (Jun 2000)
See also: EmailersSee Also: if you are interested in SMTP you may find related topics in Emailers
See also: IMAPSee Also: if you are interested in SMTP you may find related topics in IMAP
Books about SMTPA complete list of books on SMTP available through Amazon.COM