There's a big open world beyond the limited applications offered in a Linux distribution. This guide explores the free collaboration software available on the Web for the Linux platform. This reviewer finds that NetWinder's claim is worth staking. This tutorial shows how to use PMFirewall to set up IP masquerading, which allows one machine to share its Internet access with others in the same local network. The great graphics make the instructions easy to follow.
Relief comes in postfix, which promises to be easiser to configure and administer than sendmail.
Here's practical guide to using postfix on your network as a secure means of receiving and delivering e-mail, with some good tips on deploying it on firewalls and elsewhere. IBM's 390 mainframe and the Apache Web server play key roles, as do Domino and Secure Mailer. The twists and turns in the plot make this story a page-turner. Professional Linux deployment Q and A Network Computing Experts answer tough questions on Linux deployment. Topics covered are running Sendmail behind a firewall, Linux load balancing, and 802.3 media access control.