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How To Implement Domainkeys In Postfix Using dk-milter

How To Implement Domainkeys In Postfix Using dk-milter

Domainkeys is "DomainKeys is a method of e-mail authentication. Unlike some other methods, it offers almost end-to-end integrity from a signing to a verifying Mail Transfer Agent (MTA). In most cases the signing MTA acts on behalf of the sender, and the verifying MTA on behalf of the receiver. DomainKeys is specified in Historic RFC 4870, which is obsoleted by Standards Track RFC 4871, DomainKeys Identified Mail (DKIM) Signatures." according to the wikipedia. So why a how to on it when there is DKIM ? Well domainkeys is still actively being used and is more widely deployed than DKIM, the developer Yahoo still uses it to sign and verify mail although they are contributers to the DKIM standard.

Creating Snapshot-Backups with FlyBack On Ubuntu 7.10

Creating Snapshot-Backups with FlyBack On Ubuntu 7.10

FlyBack is a tool similar to Apple's TimeMachine. It is intended to create snapshot-backups of selected directories or even your full hard drive. From the FlyBack project page: "FlyBack is a snapshot-based backup tool based on rsync. It creates successive backup directories mirroring the files you wish to backup, but hard-links unchanged files to the previous backup. This prevents wasting disk space while providing you with full access to all your files without any sort of recovery program. If your machine crashes, just move your external drive to your new machine and copy the latest backup using whatever file browser you normally use." This article shows how to install and use FlyBack on Ubuntu 7.10 (Gutsy Gibbon).

Set Up Postfix DKIM With dkim-milter

Set Up Postfix DKIM With dkim-milter

DKIM is an authentication framework which stores public-keys in DNS and digitally signs emails on a domain basis. It was created as a result of merging Yahoo's domainkeys and Cisco's Identified Internet mail specification. It is defined in RFC 4871.

Splitting lighttpd Logs With vlogger And Creating Statistics With Webalizer

Splitting lighttpd Logs With vlogger And Creating Statistics With Webalizer

Vlogger is a little tool with which you can write lighttpd logs broken down by virtual hosts and days. With vlogger, we need to put just one accesslog.filename directive into our global lighttpd configuration, and it will write access logs for each virtual host and day. Therefore, you do not have to split lighttpd's overall access log into access logs for each virtual host each day, and you do not have to configure lighttpd to write one access log per virtual host (which could make you run out of file descriptors very fast). At the end of this tutorial I will show you how to use webalizer to create statistics from the lighttpd access logs.

How To Create The Sis191 Gigabit Ethernet Driver On Linux 2.6

How To Create The Sis191 Gigabit Ethernet Driver On Linux 2.6

This how-to is for those people wich have a sis191 gigabit ethernet integrated interface (on-board LAN), but cannot get sis191 default driver working. My Acer Aspire SA90 is one good example.

How To Install Drupal 5.6 On Debian Etch With ISPConfig

How To Install Drupal 5.6 On Debian Etch With ISPConfig

Drupal is a PHP based CMS (Content Management System) with great community support and a huge amount of modules. Drupal can be installed as a single site or it can be installed as a multisite.

Tweaking Hidden Ubuntu Settings With Ubuntu Tweak

Tweaking Hidden Ubuntu Settings With Ubuntu Tweak

Ubuntu Tweak is a tool that lets you change hidden Ubuntu settings, for example: hide or change the splash screen, show or hide the Computer, Home, Trash, and Network icons, change Metacity, Nautilus, power management, and security settings, etc. Currently Ubuntu Tweak is available only for the Ubuntu GNOME desktop, i.e., it will not work on Kubuntu or Xubuntu. This short guide shows how to install and use Ubuntu Tweak.

Mailscanner/Exim Gateway With Communigate PRO Guide

Mailscanner/Exim Gateway With Communigate PRO Guide

In this tutorial we will be installing and setting up Mailscanner as a mail firewall in front of a Communigate pro cluster. This tutorial has been written for the CENTOS 5.x Linux distro but am sure it can be used for any other Linux based system with little modifications. The system will run with SELinux in enforcing mode.

Installing Apple's Safari Browser On Ubuntu 7.10 With PlayOnLinux

Installing Apple's Safari Browser On Ubuntu 7.10 With PlayOnLinux

This guide explains how you can install Apple's Safari browser on Ubuntu 7.10. As there is no Linux version of Safari, we will run it under Wine. We will use a tool called PlayOnLinux to install Safari under Wine. With PlayOnLinux you can install lots of Windows games and some Windows applications (such as Office 2003, IE6, MS Money, etc.) on Linux. Installing Safari on Linux is good for people such as web designers who have switched to Linux but still need to test their web sites in other browsers.

How To Install MySQL 4.1 And PHP4 On Debian Etch

How To Install MySQL 4.1 And PHP4 On Debian Etch

MySQL 4 and PHP 4 are quite old, but you might have PHP applications on your server that require PHP4 and MySQL 4. The problem is that Debian Etch comes with MySQL 5 only, and its PHP4 packages depend on MySQL 5 and don't work with MySQL 4. This guide shows how you can install MySQL 4.1 on Debian Etch along with PHP4 packages that work with MySQL 4.1.

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