One who spams Usually some desperate yet misguided individual who has bought some spamware (probably from a spam) and is under the completely wrong impression that money can be made from spamming
One who sends spam In the 1990s, with the rise in commercial awareness of the net, spammers began offering bulk e-mail services to companies wishing to advertise They pay little or nothing to send each message; though annoying to the vast majority of recipients of this advertising, even a a few sales per million messages sent are profitable for the spammer, offering them economic incentive to continue