Stickshift Software has released Mailsmith 2.3.1, which fixes a bug that prevented Space-bar navigation from working properly, plugs some memory leaks, and avoids checking the installed version of SpamSieve to avoid problems with newer versions of SpamSieve. (Free, 25 MB)
Use VirusBarrier X6 to Find Internet Traffic Paths
Need to find out who owns a domain name, or where your traffic is being routed? VirusBarrier X6 has a number of network monitoring tools, including a built-in Whois search tool, and a Traceroute feature. If you use the latter, you can even display a map after the traceroute has completed, showing exactly where in the world data passes between your Mac and a selected IP address.