This has got to be one of the best email threads ever - And it is an actual email (Names have been changed to protect the innocent):
---------- Forwarded message ----------
Date: Tue, 04 Oct 2005 08:57:14 -0400
Subject: Re: Fwd: This machine on your network has been owned. Remove it.
On a side note, I just realized that I can see your data center
from my house. I must say that this is the first time I've been able to
almost see a box that was scanning me.
Thanks for the reply.
> Server unowned. Thank you for notice
> On Tue, 4 Oct 2005, Abuse Desk wrote:
>> Begin forwarded message:
>>> From: John
>>> Date: October 4, 2005 1:53:03 AM EDT
>>> To: abuse dept
>>> Subject: This machine on your network has been owned. Remove it.
>>> One of your boxes is trying to brute-force my system.