Trace the route taken by an email via Google Maps.

Article explains how to take advantage of the GMail's SMTP server.

A resource site of articles, forums, and news regarding Microsoft Exchange.

Tutorial on how to build a customized portable mail client on a USB thumbdrive.

This site provides downloads and information for PHPMailer, a full featured email transfer class for PHP.

This test will check a mail server IP address against 147 DNS based email blacklists.

DNS problem evaluator and tutorials on how to fix dns problems. This site will provide you with a DNS report for your domain (56 tests are run per DNSreport).

An article about how to set up a home e-mail server.

Information page explains how to set up a Linux box to serve as a mail server. Specific to Arch Linux, but general enough for any *nix distribution.

A SMTP server program for Windows that lets you send email messages directly from your computer.

This application allows anyone to create personal self-contained hypertext documents that can be posted to a WebServer, sent by email or kept on a USB thumb drive to make a WikiOnAStick.

A service to send electronic files to another party.

This website offers a free open source, GPL-licensed e-mail server for Microsoft Windows. It offers the download and asks for donations.

RoundCube Webmail is a browser-based multilingual IMAP client with an application-like user interface.

A guide to setting up a Postfix server on a Gnu-Linux system, with generic instructions based on Ubuntu.

Home page of the Postfix mailer program, an alternative to sendmail.

This site is a guide to setting up and running a full featured webserver from just about any Internet connection. The site explains how to run an email server, in addition to dns servers, news servers, ftp servers, and more.

An open-source newsletter manager.

Article on setting up postfix for relaying emails through another mailserver.

The TPC service is a collection of FAX servers you may use to send a fax to many locations around the world.

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.

Exim is a message transfer agent (MTA) developed at the University of Cambridge for use on Unix systems connected to the Internet.

GetMail for Hotmail is an email forwarding program that started life because of the lack of a POP3 server for the Hotmail email system.

This guide will walk you through installing and configuring everything you need for sending and receiving email, filtering spam, and scanning for viruses in email.

Hosts the Public ShareFolder and Public SyncTool software enhancements for Microsoft Outlook.

Explains how to host your own email server using the Mercury/32 Mail Transport System.

This site contains information from the Apache Software Foundation about the Apache James Project and other sub-projects. The project offers open source solutions that are written in Java and relate to internet mail and news.

Dovecot is an open source IMAP and POP3 server for Linux/UNIX-like systems, written with security primarily in mind.

The Dumbster is a very simple fake SMTP server designed for unit and system testing applications that send email messages.

Hep is a multiprotocol message server. It offers on-the-fly translation between email protocols (POP and IMAP) and web formats and protocols (RSS, Atom, and the Metaweblog API).

How to secure email servers from scratch with FreeBSD 6.1. Article covers the steps involved in setting up a highly secure email server using FreeBSD, Postfix, Cyrus-imap (SSL), Squirrelmail (webmail), ClamAV and Spamassain.

A groupware solution for emails, appointments, contacts and more.

How to setup RoundCube webmail on a server.

Home of Pop Peeper an e-mail tool to check/download your webmail (Yahoo, Gmail, HotMail, et al)

Postgrey is a Postfix policy server implementing greylisting developed by David Schweikert.

Home site of the Sender Policy Framework project, with concept overviews and implementation details.

How to setup an Linux email server that gets user information from a Windows NT server (eliminates the need for Microsoft Exchange).

How to use GMail SMTP server to send emails in Rails ActionMailer

How to set up a secure wireless email connection on Mac OS X.

Swift is a fully OOP Library for sending e-mails from PHP websites and applications.

This tutorial will help you to install and set up a few email accounts using the built-in POP3 Service in Windows Server 2003.

How to set up a Debian anti-spam anti-virus gateway email server using Postfix, Amavisd-new, SpamAssassin, Razor, DCC, Pyzor and ClamAV.

Open source messaging and collaboration software available for download.

Sensational Email Signatures Made Simple

A project to create open-source spam-fighting software.

DBMail offers fast and scalable SQL based mail services.

Explains how to enhance your mail server with ASSP.

Funambol provides push email, PIM synchronization, and device management for mobile devices and uses open source software.

Gmane is a revolutionary public mailing list. It allows subscribers and nonsubscribers to read news and to post messages.

This howto will show you how to setup server-side filtering for virtual users (stored in mysql).

If you carefully follow all the steps in this document you will end up with a mail server that can handle thousands of domains and user accounts.

A qmail installation guide. Qmailrocks.org is a publicly available installation quide to Dan Bernstein's qmail MTA.

This page contains a tutorial for fighting spam by tweaking the default Falko mail guide for Postfix.

This site offers answers to questions relating to AOL and IMAP/SMTP servers.