Just had the following in my yahoo account:
Dear Yahoo! User,
We encountered a billing error when attempting to renew your Yahoo! service. This type of error usually indicates that either the credit card you have on file has expired or that the billing address we have is not current.

This is your final notice. Please take a moment to update your credit card information by clicking here and submitting your information.

Please note that we will attempt to renew your service five days from today. If we are still unable to charge your credit card at that time, your service will be terminated.

Sincerely,
Yahoo! Billing Department
The full message can be seen here (http://www.aqql42.dsl.pipex.com/yahoo.htm).

The here link takes you to yahoo-billing.com and the WHOIS information is registered to (please not I have removed the hyperlink in the message on purpose):

Checking server [whois.crsnic.net]
Checking server [whois.networksolutions.com]
Results:

Registrant:
Hinken, David (JORUKHZEYD)
281 W. Pinon Dr.
Green Valley, AZ 85614
US

Domain Name: YAHOO-BILLING.COM

Administrative Contact:
Hinken, David (35514762P) piter2332@gmx.net
281 W. Pinon Dr.
Green Valley, AZ 85614
US
5206487388
Technical Contact:
Network Solutions, Inc. (HOST-ORG) customerservice@networksolutions.com
21355 Ridgetop Circle
Dulles, VA 20166
US
1-888-642-9675 fax: 571-434-4620

Record expires on 27-Jun-2004.
Record created on 27-Jun-2003.
Database last updated on 15-Nov-2003 07:24:36 EST.

Domain servers in listed order:

NS1.XBST.COM 221.12.82.189
NS2.XBST.COM 220.188.66.130
If you receive it... report it! I have!

I submitted some information saying words to the effect of "If you think you won't get caught then you're a fool, email reported to the police". That should scare him.