Timothy H. Keitt <exim-users> [29/06/01 14:20 -0400]:
> 1) exim is churning away with 20-40% cpu usage and load between 1 and 2
> on an otherwise unladen machine
> 2) my exim logs are growing huge; tail -f shows several new entriers per
> second saying "message frozen"
All of them bounces (with null sender)? It is likely that a spammer forged
your domain in a spam and left your MX to accept all the bounces.
Or one of your users is being mailbombed
Or you have a mail loop.
Can't tell without log excerpts, or a crystal ball.
-suresh