SPF and Sending Email
A short introduction to using Sender Policy Framework, or SPF, a technology that can be used to prevent spam.
A description of the filing procedures for a paperwork-heavy estate agent’s office. The target audience is administration staff, who may not have English as a first language.
Validating XML Documents
Written in DITA, this document describes how to validate an XML document using xmllint. It contains two DITA tasks, a DITA concept, and a DITA reference. The DITA Open Toolkit was used to generate versions in HTML and PDF.