UPDATE 17th June: Our server just rejected a spam sent via a Yahoo! server from <bigbiglottocompany@gmail.com>.
You do wonder sometimes. Why on earth are Yahoo! sending SPAM on behalf of these users of other webmail services: hotmail.fr, hotmail.com, gmail.com, rediffmail.com, live.com.
These are sender domains strained from our recent logs and are associated with connections from yahoo.com servers.