Open Source Post-Office Software

FreePOPs is a webmail to pop3 conversion daemon. It is extensible to support other webmail using the scripting language LUA. See the homepage for supported webmails.

Convert Webmail to POP3.Is also included a SMTP/POP3 tunneling system that allow send and receive email in a private network HTTP PROXY based. All connection are plugin based. Over 450 email server supported and tested, GMAIL POP3/SMTP over Proxy Network.

ZMail allows you to send email from anyone, to anyone. You can use ZMail to send fake or anonymous emails. Have fun!

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!

Hastymail is a fast, secure, rfc-compliant, cross-platform IMAP/SMTP client application written in PHP providing a clean web interface for sending and reading E-mail. This version of Hastymail is no longer being developed. We are now working on a new version, Hastymail 3, AKA, "Cypht". http://cypht.org

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.

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

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

Check given IP/Host presence in 106 RBLs. Now, you don\'t have to check a lot www sites, just run this script in console.

Web-based email client written in PHP 4. Planned features for this client include 1) multiple Inboxs, 2) LDAP-based Adress Book, 3) multiple mime-types viewable online, 4) support thumbnail views of image attachments.

The Zander mail agent is used to view email with any terminal equipment. You can create you own profiles to every user-agent and set the output language from WML to HTML and even XML. With Zander you can also read your email from multiple IMAP boxes, if y

A web-based helpdesk ticketing system. It adopts a more effective ticket sorting/ranking method instead of the cumbersome "assign/completed". More: http://www.upoint.info/cgi

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

AnonInbox is a PHP script which provides users with anonymous access to email. It uses a MySQL database for efficient storage of mail. Old messages are automatically removed at a specified interval. Malicious attachments are blocked.

Bahrein is a Perl script that allows you to chat over AIM through only e-mail. All incoming IMs are forwarded through GMail to your destination - and you can reply just as easily back through e-mail to IM again.

A Java-based Mailserver. BMS supports all email- and news-protocols.

Camel's Eye is a powerful POP3 email filter. It supports DNS-based Blackhole Lists (DNSBL/RBL), Razor, and rules that search header or body. Features include regular expressions, scoring, deletion on server, automatic whitelisting through an SMTP proxy.

CellMate Bot currently allows google queries and aim functions through OSCAR. Made to be used form your cellphone's AIM client, CellMate Bot will be updated to include email, news and map directions in the future. For now, you can use Google SMS.

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

A simple command line utility to perform various tasks on a remote POP3 e-mail box. Intended as a replacement for the Email Manipulator utility(mailtool.exe). List and delete messages by size, range, or keyword. Handy for tech support.

CRM aka Customer Relationship Management are applications that manage customers in relation to enterprise life. Our project, Customer Touch CRM, is a CRM application for small/medium firms. The application is easy to use and install.

Two Perl scripts for deleting of selected messages left on the POP3 server. You can select messages for deleting from within your mail client missing this feature, like KMail and Evolution, then execute the script which actually deletes messages. This project is discontinued. I still see occasional downloads, so I will leave it as-is.

A web mail service based on J2EE and open source sql database. It supported rules, addressbook, etc..

Encki Mail is a web based e-mail system that focusses on ease of use for both the user and the system administrator. The project is being developed for Linux using the popular PHP + MySQL combination.

Enterprise Collabortion Suite 2004. ECS2004 is a Web Mail, Shared Calendar, Projects, Helpdesk, Survey Engine, File Manager, Contacts, Forums and IM suite. Easy to use and a very low user learning curve. Professional look and feel. Easy installation.