Not postal, but curious: Doing a search a few minutes ago, I was surprised to see all of the search results tagged with “this site may harm your computer”. Even sites that my McAfee software tagged as safe. Clicking on a link anyway, I was redirected to a Google warning page. A link on the page offered information about “what we found when we visited this web site”. Clicking on that link produced a Google server error.

So of course, I googled “this site may harm your computer”. The top result was from Google itself, and you guessed it- Google warned me that google.com might harm my computer: