If you advertise on Google, read this please.
A client received an email that appeared to be from Google Adwords saying that her campaigns had been stopped and it had a link to follow so she could review the issues.
The link went to google-uki.com. I could easily see that since I have my email program set to display emails as plain text, not HTML. I searched for the message of the subject and found this
Read the last paragraph of the first posting, which is from a Google employee. Great advice!