On 19 Feb 2004, at 20:40, Steve Withers wrote:

I wasn't happy to see SPAM arrive with what is probably Rory's real e-mail address.....spoofed just like a virus would.

Worms have been used to provide a distributed vehicle for relaying spam for a long time, now. Harvesting both sender and recipient addresses for individual messages from local resources on the infested host is similarly not new.