I'm getting stacks of:

set{u,g}id pid 7544 (exim-4.04-1) was invoked by uid 123 ppid 209 (exim-4.04-1) with fd 0,1,2 closed

messages, and I note that it was mentioned in:
http://mail-index.netbsd.org/tech-security/1999/01/10/0000.html

Is this really bad? or is there a way of squashing the warning?

Cheers,

Patrick