Tenon Intersystems has released Openwaveis Post.Office for Mac OS. Post.Office is a messaging server designed for mid-sized ISPis. The release features performance enhancements, and support for OS X and 10.1.3. According to Tenon Intersystems:
Tenon Intersystems, under the auspices of their Japanese partner, Open Technologies, has brought Openwaveis well-regarded Post.Office to Appleis Mac OS X. Post.Office is a scalable SMTP/POP3/IMAP messaging server designed to meet the needs of small and mid-sized ISPs. Post.Office can support 10 users or ten thousand users on a single platform with appropriately configured hardware. Tenon has extended and enhanced Post.Office 3.5.3 and ported it to Mac OS X and Mac OS X Server 10.1.3.
You can find more information about the Post.Office Mac release at the Tenon Intersystems Web site. Post.Office is available for US$295.00.