An infamous spamming incident occurred in 1994 when an Arizona law firm sent thousands of messages offering their immigration services to discussion and news groups.

• 一个不名誉的垃圾邮件事件在1994年的发生，亚历桑那州法律公司传达了数以千计的讯息提供他们的移民服务给讨论和新闻团体的时候。