MailScanner taking tons of cpu/mem and halting my server

[Jody Cleveland]

> Type free in a console and press enter (while under load, of course).

With MailScanner off:
# free
             total       used       free     shared    buffers
cached
Mem:        513836     447400      66436          0     102100
130344
-/+ buffers/cache:     214956     298880
Swap:      1048552      12188    1036364

With MailScanner running:
# free
             total       used       free     shared    buffers
cached
Mem:        513836     507412       6424          0     102640
171552
-/+ buffers/cache:     233220     280616
Swap:      1048552      12580    1035972

> Anything weird in the logs?

Which log should I look at?

Is it normal for Redhat to use that much ram?

- Jody