Open Source C++ Post-Office Software for Windows

eMail traffic is on the rise. With over 100 man-years of development time behind it and a clean, intuitive interface that makes handling messages a breeze, Hermes Messenger (formerly known as QUALCOMM Eudora) is more than a way to send and receive mail: it's a powerful management tool with features to increase your productivity and enhance your communications. It is the best eMail program for people who get lots of it. If you're not yet one of them, you soon will be. Take control of your eMail before it takes control of you! Hermes provides industrial-strength communication, free of ads and free of cost.

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!

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.

jwSMTP, Send email programmatically (C++ code/lib). Linux, BSD, Windows etc. Attachments, Multiple recipients, Cc/Bcc recipients supported. MX lookup or send to an SMTP server direct. LOGIN and PLAIN authentication now supported. Html or plain text forma

Set of pure useful Java utilities taking care of common tasks and avoiding re-write of code

Graphical OS Kernel compiled with gcc 4.6.1 and nasm 2.09.08

Develop cross-platform tools faster using a C++ Framework proven in commercial software. Classes support logging, sockets, RFC servers (NNTP, SMTP, POP, HTTP), object indexing, ini, tagged databases, file systems, and more. The STDNOJ Namespace, by R.A. Nagy

An IMAP E-mail client for X-Windows written with GTK. Supports IMAP with and without SSL.

B-Client is a Windows DLL that provides internet communications protocols. This C++ DLL supports SMTP, POP, IMAP and NNTP protocols with support for other open internet communication protocols in the future.

Blue HttpMail is a library that connects to HTTPMail servers (such as hotmail.com) and a proxy that allows POP3, IMAP and SMTP access to those servers. Blue HttpMail is being developed using the open source library Blue http://bluelib.sourceforge.net

BitMail is a Proof-of-Concept- / Design-Study for an Qt E-Mail Client. POP3 / IMAP / SMTP / P2P E-Mail-Client. ● Qt E-Mail Client. ● Build-in Encryption to secure E-Mails ● IMAP & POP3 ● Additionally a full decentral P2P Email-Option via the Echo Protocol ● Store Email for Offline-Friends in the P2P Network. ● Chat and Instant Messaging is build in. ● POPTASTIC function (Chat over Email) ● Calendar widget functionality. ● Open Source. BSD License. "Cassiopeia is the tortoise of Momo, which can communicate through writing on her shell and guides into the future." - Wikipedia. Source from: https://sf.net/projects/spot-on/files/ & https://github.com/textbrowser/spot-on

You've Got Mail: An application that sits down in system tray and checks mails as scheduled. It is *NOT* a mail-reader, only an agent that informs about the current status.

FiPPS is a simple POP3 proxy server for Windows which scans mail headers with regular expressions for spam/mailworms and deletes the mails without downloading them.

WinNT HTTPMail->POP3 service. HotPOP3 is a Windows NT service, written in C++, which acts as a proxy between an HTTPMail server (MSN Hotmail) and any POP3 email client.

A proxy server for gmail, that enables you to fetch your gmails using IMAP or POP3, and send mails by SMTP via your gmail account.

IntimaLite is a standalone client that filters pop3 email accounts. therefore, it detects spam-emails by matching recipient emailaddress with a blacklist of blocked emailaddresses. [GERMAN/ENGLISH]

Mail Monitor++ POP3 monitor.

Mailafar is a mail server designed for use in difficult communication environments providing a full set of Internet email protocols, web mail, web admin, dial-in and wireless LAN access control. It will run on Linux, FreeBSD and Windows.

Mailbox can monitor multiple POP3 mailboxes for new mail.

The idea is to create an IMAP only email client, using the QT widget set for maximum portability and the libimap client library for the IMAP routines.

A SMTP and POP e-mail server for Windows and GNU/Linux.

Mailserver for Win* Platform.

dBrowser is a PHP/MySQL/PostgreSQL framework/code generator aimed at web/database application developers.

An email client which basically focuses on sorting incoming emails for better email management using classification algorithms. Implemented for windows platform. The e-mail client focuses on inbox management, categorization of e-mails usig algorithms

A small and very light email notifier for Windows that sits in the tray, periodically checks your email account(s) and notifies you of new emails. Shows read and unread email counts. Allows you to launch your email program directly. Includes an optional floating window which is very useful for multiscreen setups. Simple, elegant, efficient and reliable.