首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
About forty percent of all email traffic in the United States is spam, and this figure is climbing rapidly. Spam is usually defi
About forty percent of all email traffic in the United States is spam, and this figure is climbing rapidly. Spam is usually defi
admin
2019-07-19
97
问题
About forty percent of all email traffic in the United States is spam, and this figure is climbing rapidly. Spam is usually defined as unsolicited, mass commercial email. It is often associated with advertisements for pornographic websites, drugs, or surgery that can enhance your sex life. Within another year or so, industry experts predict, half of all email messages will be unsolicited.
The flood of email marketing causes headaches for email users. Additionally, it costs corporations billions of dollars and reduces employee productivity. According to a recent study, the average employee spends almost seven minutes per day handling an average of 13 spam messages. This translates to major corporate losses. The annual cost of spam has reached $ 9 billion for US corporations alone.
Perhaps worst of all, spam baffles anti-spammers, who haven ’ t yet come up with a solution to this growing problem. In fact, the only proven way to stop spare is not to have an email address.
Internet service providers are the front line defenders against spam. ISPs like America Online, Microsoft, and Earthlink employ anti-spam technicians. These employees run spam filters. They physically watch the sending of email, keeping an eye out for sudden mass mailings. When a mailing looks suspicious, the anti-spammers check the owner of the sending address. However, addresses are difficult to track and easy for spammers to hide.
Spammers are creative, most recently using a trick called the "dictionary attack". With special software, spammers can generate millions of random entail addresses using combinations of letters such as "Joe236," placed in front of the "@ aol. com" part of the address. Enough of these addresses are correct that the email reaches millions of email users.
In the United States, the situation has prompted calls for national legislation. State-level anti-spam laws have had limited effectiveness with few convictions. Major ISPs are aggressively pushing for national laws against spamming.
On the other side of the issue, the direct-marketing industry and some Internet retailers have successfully fought federal law, which go against free-speech provisions of the Constitution.
The European Union has adopted a practical ban on spam called an "opt-in" system, in which companies have to wait for consumers to request commercial email before it can be sent to them.
Until technology or anti-spam laws become more effective, people are taking small steps to fight spam on their own. For example, one computer consultant has created email accounts for the specific purpose of attracting spam. After he receives spam, he searches for the sender. His goal is to collect and publicize "blacklists" of spammers’ Internet addresses. These are then incorporated into spam filters that block any email coming from those addresses.
Email users can take a few easy steps to fight spam.
Don’t click the "unsubscribe" link. One would think that "unsubscribe" would take you off a list. However, spammers have taken over the unsubscribe option, making it a confirmation of an active account. It is better just to delete the email.
Keep many email accounts. By using separate accounts for electronic business and personal use, you can keep your personal address cleaner.
Choose a long email name. Use a mix of letters and numbers. This decreases the chance that a computer-generated email address will match yours.
Avoid Web-based discussion groups. Spammers frequently take addresses from the Internet. Online groups are easy to find.
Avoid contests and surveys. Again, spammers often gather addresses from the Web.
Look into new filtering software. ISPs and other firms offer many creative solutions to spam.
Email communication has become the fundamental means of communication in the Information Age. However, it may soon be considered useless, as consumers are choking on spam. If every company freely sent unsolicited commercial advertisements, junk email would completely overrun us. Already, users are avoiding the Internet because they don’ t like the huge amounts of junk they are forced to see.
Spammers use software to guess at email addresses.
选项
A、YES
B、NO
答案
A
解析
原文中提到With special software,spammers can generate millions of random entail ad—dresses using combinations of letters such as“Joe236.”placed in front of the“@aol.com”part of the address.
转载请注明原文地址:https://www.kaotiyun.com/show/l9fK777K
本试题收录于:
A类竞赛(研究生)题库大学生英语竞赛(NECCS)分类
0
A类竞赛(研究生)
大学生英语竞赛(NECCS)
相关试题推荐
SomepeoplewouldsaythattheEnglishman’shomeisnolongerhiscastle;thatithasbecomehisworkshop.Thisispartlybecaus
SomepeoplewouldsaythattheEnglishman’shomeisnolongerhiscastle;thatithasbecomehisworkshop.Thisispartlybecaus
Callum:I______sometimes,justlikemostkids.ButthenIusuallygotdowntoworkintheend!Vicki:Well,yes,ifyouwantto
ThomasMalthuspublishedhisEssayonthePrincipleofPopulationalmost200yearsago.Eversincethen,forecastershavebeing
Halftheexcusesshegivesarenottrue,butshealwaysseemsto______them.
ThomasMalthuspublishedhisEssayonthePrincipleofPopulationalmost200yearsago.Eversincethen,forecastershavebeing
Theabilitytostoreknowledgemakescomputersdifferentfromeveryothermachine______invented.
AcrossAfrica,thetsetseflythreatensastaggering55millionspeopleandtheir【M1】______livestock.Theinsectsucksblooda
Attheageof35,Nathan,awould-beprofessorinNewYorkState,shouldalreadyhaveapermanentpositionatauniversityandp
Acometisdistinguishedfromotherbodiesinthesolarsystem___________.
随机试题
知识产权领域第一个世界性的多边公约是()。
有关血栓性静脉炎与静脉血栓形成的区别,下列哪项是错误的
了解细菌有无鞭毛可采用
丰田公司标准化作业的内容主要包括()。
在分税制财政管理体制下,中央财政主要承担的经费包括()。
在教育史上主张“不愤不启,不悱不发”的教育家是()。
2014年11月的(),是继2001年上海举办后隔13年回归,于11月下旬左右在北京召开,包含领导人非正式会议、部长级会议、高官会等系列会议。
中国近代史是一部充满屈辱的历史,与侵略者签订了一系列丧权辱国的不平等条约。以下不平等条约的签订时间按从早到晚顺序排列正确的一项是()。①《中美望厦条约》②《中俄天津条约》③《中英南京条约》④《中英虎门条约》
习近平新时代中国特色社会主义思想内容十分丰富,涵盖改革发展稳定、内政外交国防、治党治国治军等各个领域、各个方面,构成了一个系统完整、逻辑严密、相互贯通的思想理论体系。习近平新时代中国特色社会主义思想不但明确了新时代坚持和发展什么样的中国特色社会主义,也回答
(中国科学院2013年10月试题)"Pain,"asAlbertSchweitzeroncesaid,"isamoreterriblelordofmankindthanevendeathitself."Prolo
最新回复
(
0
)