Swiss-based CTM Development today announced the release of PowerMail 5.2.3, with support for Intel-based Macs. New features in this release include: reliability enhancements for all users; Mac OS X 10.4.4 compatibility on Intel and PowerPC Macs; performance with first phase of Universal Binary deliverables; and more. PowerMail is priced at €49 (€29 for registered PowerMail 3 & 4.x users).