(FromLinux Magazine Artiecle) Mstone is a multi-protocol stress and performance measurement tool. Mstone can test multiple protocols simultaneously and measures the performance of every transaction. The performance can be graphed throughout the duration of the test.
Administering Dspam is a breeze. No rules to configure, new users can automatically benefit from a global dictionary and quarantine management is simple. But getting a Dspam quarantine set up the first time, without losing any email, can challenge the most seasoned mail administrators