Open Source C IMAP Software

Fetchmail is a mail retrieval daemon that can download messages from POP3, IMAP, ODMR and ETRN-based stores, with SSL/TLS security including certificate verification, and pass downloaded mail to a local SMTP or LMTP server, or a message delivery agent such as maildrop.

A command line utility for synchronizing remote IMAP mailboxes and local maildir-style mailboxes. This is useful for working in disconnected (off-line) mode, such as on a laptop, but also for mirroring mailboxes between servers.

Highly scalable/configurable Messaging Platform allowing users in a domain to be distributed on multiple hosts, has multiple queues. Provides virtual domains/users in MySQL. Modern MSP class qmail replacement with ESMTP, POP3/IMAP, QMTP, QMQP support

Heirloom mailx (formerly known as "nail") is intended provide the functionality of the POSIX mailx command with additional support for MIME messages, IMAP (including caching), POP3, SMTP, S/MIME, message threading/sorting, scoring, and filtering.

Watch mailstores for changes and initiate mailbox syncs

This project aims to be a personal data storage and administration system. It will be an advanced system for information and electronic mail management. The server will be accessible to any IMAPv4 compatible mail client.

Cyrus IMAPd is a popular IMAP server that surfaces a rich interface for extending its functionality. The Cyrus IMAPd Utilities project brings together maintenance utilities, graphical front-ends, and API handlers (such as notification daemons).

An advanced qmail distribution based on qmail-sql which has SMTP, SMTPS, POP3, POP3S, IMAP, IMAPS services, a content scanner, spoofing protections, SMTP AUTH support, SMTP-after-POP/IMAP, PHP5 API, SPF support and much more...

IDMS DBMA is an effort to develop a highly scalable (c10k complient) plugin based mail agent aimed at fighting spam & viruses. Hopefully replacing hard-to-maintain, complex, resource hungry configurations used by small to large users today.

An IMAP proxy written in C. It uses LDAP to lookup users home IMAP servers.

A stand alone program to uncorrupt MBX formatted mailboxes. Does not use C-Client code. Tested with c-client 2001e and 2003 on linux.

Mail Migration is a POP3/IMAP4 proxy server designed for account and mail migration between two pop3/imap4 servers.

MailNotifer is written in GTK+, C++ Open Source application. It's easy to configure. The notifications are themeable. It supports IMAP protocol, SSL connections. For chcek mail it using my libMNMail. Developed in Poland. Supports 2 languages(by locale), Polish language works in about 30%. Easy to work. I can runs on Linux, but few functions must be changed. TODO list: -Make smart mail checking -Repair bugs -Add theme meanager -Add full support for Polish language -Make a Linux release and something else ;)

This is a port of the University of Washington IMAP4rev1 server to the Cygwin platform. Cygwin is a UNIX overlay for Windows 98/NT/2000 (see www.cygwin.com).

POP2/POP3/IMAP Server with linuxconf virtual domain support.

Sick of handling ifs and gotos in DOS batch files? Use this code generator to code in a higher level language, the sausage machine turns out the batch file. Mercurial repo at https://bitbucket.org/nickj/batchgen

A compact, fast and efficient imapd server with maildir support.

checkpasswd compatible interface testing against an imap server

DBMail provides a database-backend mail store using PostgreSQL or MySQL. It includes POP3 and IMAP servers to access the mail store, pipe and LMTP for message delivery, and a suite of command line utilities. Please click our Home Page link for more info.

A mail system currently consisting of MDA, POP3, and IMAP servers that uses a SQL database for the mail store. This adds performance improvement as well as scalability and flexibility.

A qmail distribution based on dirqmail intended to be used by qmail power users.

libmail is a C library intended to help programmers when adding mail checking and retrieving capabilities to their applications, supporting popular mail protocols like IMAP and POP3 as well as *nix-like mailboxes.

Mailcheck is a simple, command line, configurable tool that allows multiple mailboxes to be checked for the existence of new mail messages. It supports both mbox and maildir-style mailboxes. It also supports remote POP3 and IMAP mailboxes.

MailDB adds a database back-end to an IMAP server for features such as "virtual" mail folders (msgs appearing in multiple folders), "view" folders (dynamic results of searches), etc. The DB is inherently multi-user, allowing msg reference counting.

A MySQL-based mail server. Initially the frontend to the mail server will be IMAP.