CTM Development has released PowerMail 4.0.1, the latest version of the company’s alternative email client, as noted by MacUpdate. This release offers several bug fixes and feature enhancements, all of which are documented on the site. PowerMail is compatible with Mac OS 8.5 or later and Mac OS X 10.0.3 or later, including Mac OS X 10.2 (Jaguar), and is priced at US$49. A 30-day demo is also available.