* email plugin: Sebastian Harl has contributed this plugin which
counts received mails in categories (e. g. ham, spam, virus), spam
score (as given by SpamAssassin) and check types.
+ * mbmon plugin: Flavio Stanchina has contributed this plugin which
+ uses `mbmon' to gather information from sensors on the motherboard.
* processes plugin: Collect detailed statistics for configured
processes, that's process and thread count, CPU usage, resident
segment size and pagefaults.