advertising material sent by email to people who have not asked for i
to send the same message to large numbers of Internet users who have not requested the information 滥发（电子信息）
The criminal gang were spamming phishing emails.
这一犯罪团伙当时正在滥发网络钓鱼邮件。
Some idiot has been spamming my blog with comments.
某个白痴一直在我的博客刷屏。