NB. These comments refer to XSLT 1.0 and may not be applicable to the recently ratified XSLT 2.0 languages.

XSL (The Extensible Stylesheet Language) is a W3C recommendation for a formatting language for converting XML documents from one format to another. This is useful in a variety of software applications, but is particularly useful on the web. (Strictly speaking XSL refers to everything, including the process, and XSLT refers to the language).

By separating the underlying content from the presentational code, you can arrange that a much smaller amount of data is transferred for each [continued…]

Configuring Exim for SMTP AUTH using PAM

Software used

The following was written for exim4 on Debian Sarge, although the principles should apply to other Linux distributions. You must install exim4-daemon-heavy, which supports PAM, rather than exim4-daemon-light (which is installed by default). Testing was performed using Mozilla Thunderbird on an Ubuntu Dapper client.

Exim configuration

Exim can be configured from a single config file (/etc/exim4/exim4.conf.template), or a series of smaller files within a directory structure (/etc/exim4/conf.d/). Check for the following line in /etc/exim4/update-exim4.conf.conf:

 dc_use_split_config='true'

If [continued…]