Mailman, the GNU Mailing List Manager

Mailman is free software for managing electronic mail discussion and e-newsletter lists. Mailman is integrated with the web, making it easy for users to manage their accounts and for list owners to administer their lists. Mailman supports built-in archiving, automatic bounce processing, content filtering, digest delivery, spam filters, and more.

One of my New Year's Resolutions for 2012 is to move away from depending on Google services for my business. Last year's Gmail redesign, and the pseudonym battles have convinced me that Google is not quite the right home for services I depend on professionally.

The Powerful #1 Open-Source Spam Filter

This project is a free and open source webmail solution with a desktop-like user interface which is easy to install/configure and that runs on a standard LAMPP server. The skins use the latest web standards such as XHTML and CSS 2. Roundcube includes other sophisticated open-source libraries such as PEAR, an IMAP library derived from IlohaMail the TinyMCE rich text editor, Googiespell library for spell checking or the WasHTML sanitizer by Frederic Motte.

The University of California at Berkeley has chosen Google over Microsoft for its campus-wide email and calendar services, and it will tell you why — in great detail.

I'm Marco Arment: creator of Instapaper, technology writer, and coffee enthusiast.

Use Taskforce to convert emails into tasks, so
you can save time and stay organized.

The Email Charter was created in response to widespread acknowledgement that email is getting out of hand for many people. It started life as a blog post by TED Curator Chris Anderson and TED Scribe Jane Wulf.

Alaska today released 24,199 pages of printed-out e-mails that Sarah Palin either sent or received on her official account as governor.

MailChimp helps you design email newsletters, share them on social networks, integrate with services you already use, and track your results. It's like your own personal publishing platform.

This is a free PHP script that will allow you to post the results from any form to email.

PHP allows you to send e-mails directly from a script.

A Practical PHP Form to Mail

Advanced Form to Email PHP

Simple Form to Email PHP Contact Form

MACCIuS is the leading provider of application hosting and managed services specialized for the Apple® platform

Rapportive shows you everything about your contacts right inside your inbox.

Envelope Index (see “What’s in your Mail folder?”) is an SQLite database that stores key information about your emails. Over time it can get terminally corrupted (see “The dreaded ‘your home directory is full’ message”).

Using email encryption is one way to protect the privacy of your electronic correspondence. For a brief history and explanation of how they work:PGP and GnuPG.

Questions used as security checks on websites need to be replaced by more complex tests to establish a person's identity, say researchers.

The picture that emerges of prominent climate-change scientists from the more than 3,000 documents and emails accessed by hackers and put on the Internet this week is one of professional backbiting and questionable scientific practices. It could undermine the idea that the science of man-made global warming is entirely settled just weeks before a crucial climate-change summit.

Tired of spam? reCAPTCHA Mailhide helps you protect your inbox by asking people to solve a reCAPTCHA before they can view your email address.

Thousands of schools use Google Apps to deliver the advanced technology students need, without the traditional cost and frustration of managing hardware and software.