HEATKEYS

LinuxQuestions.org offers a free Linux forum where Linux newbies can ask questions and Linux experts can offer advice. Topics include security, installation, networking and much more.

Free PHP Classes, PHP Tutorials, Download PHP Scripts, PHP articles, PHP Jobs, Hire PHP Developers, PHP Book Reviews, PHP Language OOP Materials

Sendmail partners include a host of leading companies who share a proven track record of developing and delivering complimentary email products to provide added-value to the installed Sendmail environment

AtomPark Email Software presents newsletter sending and email advertising software - mass mailer, email autoresponder, email verifier and mailing list manager

Freecode maintains the Web

Get shipping rates, buy stamps, print postage, track a package, look up a ZIP Code? - Find the mailing products and services you need at USPS.com.

Elastic Email is the lowest cost provider of high quality email delivery service and software for your cloud application or marketing needs.

The Linux Documentation Project is working towards developing free, high quality documentation for the Linux operating system. The overall goal of the LDP is to collaborate in all of the issues of Linux documentation.