I just got the following in my throw-away yahoo account:
Dear* YAHOO Users,
Th!s _email _inform_ you that your_ _Yahoo_ ID (xxxxx@yahoo.com)
will be b|ocked after 12 D@YS (@S @FTER autoomateed reegisttration) if you
w1ll
not sign up on YAHOO! WHITE LIST (T0 s!gnup - Click Here:
http://xxxxx.yahoo.com/)
This is done beecause we* update now` YAHO0! _not_ autoomateed reegistered
user ids.
cGTaXb0T1