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E-MailRelay is a simple SMTP proxy and relay MTA, written in C++, for Linux and Windows. As a proxy all messages can be passed through a user-defined program, such as a spam-filter, which can drop, readdress, or edit messages as they pass through.
acSMTP is a SMTP/POP3/IMAP mail server
for Win32. May serve MX hosts and
in-LAN mail. Black/white lists for IPs/Emails,
RBL spam blocks,
DNS Email validation, optional DBMS backend for lists
and rules, custom user authorization, AntiVirus API.
JXchange is an mail server multiplataform, written in Java language, like MS-Exchange. This project includes SMTP server, POP3 server, IMAP server, web management interface and webmail designed to run in almost all OS.
Since later versions of Windows (e.g. Windows 7) do not include the SMTP store-and-forward client, this application project creates a Windows service to offer similar services
YPOPs! is an application which emulates a POP3/SMTP mail server and provides free POP3 and SMTP access to Yahoo! Mail. It does not depend on Yahoo's POP3/SMTP mail server. You can use a mail client of your choice!
RxImap Mail Transfer Utility functions to transfer the mails from one Imap Exchange Server account to another, through a windows based application. User will be able select the Imap folders which he needs to transfer to another account.
Pop3/Smtp connector for email server. Using scheduler / multithread download email from POP3 account or act as an SMTP gateway. Filtering via external tools.
Delphi / FPC SMTP / POP3 Mail Server. High volume, customizable E-mail, for Win32, small footprint, secure, simple and fast with Web-based admin. See Documentation for more.
Sometimes there is no necessity to receive the body of letter, and it is enough to look at its subject and the size and understand that it is not need. Delete not needed mail and receive to read others with your mail program.
A project written in C# sends email without defining a smtp server. It queries dns servers for the MaileXchange records and sends them directly, so, there is no need to define a smtp server. It supports complete SMTP and SSL protocols.
IntraMail is a e-mail server, supporting POP3 and smtp, for internal - external use in your network. This program can download messages from multiple (external) accounts and with filters divided over your local mailboxes.
This is an email server written in C#. The server handles protocol, and a plugin architecture allows developers to create their own authentication/mail storage system, making this one of the most scalable email servers in the world. 2 plugins included.
PyWebMail is a Python library and POP3 gateway that enable working with WebMail servers like with POP3 or IMAP mail server. Currently Mail.Com, Yahoo! Mail, Gmail, Netscape.Net, HotMail and some minor servers support is finished.
hMailServer is a SMTP/POP3/IMAP server for Windows. Data is stored in MySQL/MSSQL database and is easily accessed using the COM library. Project info, trackers and downloads has moved to www.hmailserver.com.
OpenSmtp.net is an open source SMTP component written in C#. It does not rely on the .Net Framework System.Web.Mail classes. It also has a web service that allows the sending of email via HTTP.
F1-Mailer : A simple Mailer in command line for windows users with MIME format.
F1-Meiler allows people sending emails via SMTP relaying servers on the Web, with mail attachement. File attachment and email dating support.
A tool to begin in Web/SMTP.
SIMON is a very simple MTA and POP3 implementation. It is completely designed from the ground up and is useful for departmental or small to medium sized companies.