While searching for “zuckmail” on google I was greeted with the following message at the bottom of the page:

In response to a complaint we received under the US Digital Millennium Copyright Act, we have
removed 1 result(s) from this page. If you wish, you may read the DMCA complaint that caused
the removal(s) at ChillingEffects.org.

You can view a screen shot of the message here.
As of this writing, ChillingEffects.org reports the complaint as unavailable.