Spam
Definition 1 of 4
Pro Tip 1/3
Unsolicited Nature
In computing, 'spam' implies the message was not requested by the recipient. I didn't subscribe, but I keep getting spam.
Pro Tip 2/3
Negative Connotation
'Spam' has a negative connotation, suggesting annoyance and irrelevance. I hate all this spam; it's so annoying.
Pro Tip 3/3
Filtering Out
Email services often have a 'spam filter' to separate unwanted emails. Luckily, my spam filter catches most junk emails.