I went to
www.spamcop.net and entered this ip and it came back with this result.
I gather that someone is using Jodohost's mail server to send spam? I assume this because we were told that you own the entire range of ips so it can't be someone elses customer.
===================================================
69.61.29.5 listed in bl.spamcop.net. ( 127.0.0.2 )
Since SpamCop started counting, this system has been reported less than 10 times by less than 10 users. It has been sending mail consistently for at least 15.2 days. It has been listed for less than 24 hours.
In the past week, this system has:
Been reported as a source of spam less than 10 times
Been witnessed sending mail about 220 times
A sample sent sometime during the 24 hours beginning Nov 13, 2003 7:00

M -0500:
Received: from -.-.net (- [69.61.29.5]) -
-.-.-.net (-Postfix-) with SMTP -
- for <
[email protected]>- Fri, - Nov 2003 -5-
- (-)
Subject: try our nutrition shake today - compliments of -
From: su.. at ..e.com