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垃圾邮件的传递

浏览量: 发布时间:2018-12-12 20:15 点击在线免费咨询

垃圾邮件发送者是一种互联网现象,免费脚本的分发给他们极大的鼓励。免费脚本和免费可下载软件是web最大的吸引力之一。不幸的是,它们也是互联网带来的最大安全风险之一。


垃圾邮件发送者非常天真地利用免费脚本。推荐朋友脚本在任何站点上都是一个很好的资产。他们允许访问者向他们的朋友推荐一个网站。而且,通过一个简单的推荐朋友脚本,网站管理员可以以零成本增加网站流量!


不幸的是,没有内置安全特性的推荐朋友脚本也是垃圾邮件发送者常用的工具。当您的站点访问者输入朋友的电子邮件时,不安全的推荐-朋友脚本会捕获这些电子邮件,并将它们整理到垃圾邮件数据库中。


然后,垃圾邮件发送者利用这些电子邮件创建非法名单,并将其出售牟利,或发送大量垃圾邮件。这可能会对你的网站造成重大损害,从客户忠诚度和信任的丧失,到托管公司对你的电子邮件特权的停用,甚至从你的web服务器上注销。


因此,至关重要的是,您选择安装在网站上的任何推荐-朋友脚本都必须具有安全特性。脚本应该限制一次可以发送多少人的电子邮件,以及在有限的时间内可以发送多少电子邮件。它还可以设置表单再次使用之前的延迟。最有效的安全特性之一是让访问者输入随机生成的可视代码,这些代码是垃圾邮件软件无法读取的。俗话说“有备无患”。

spammers are an Internet phenomenon that have been given great encouragement by the distribution of free scripts. Free scripts and free downloadable software are one of the greatest attractions of the web. Unfortunately, they are also one of the biggest security risks the Internet offers.
 
spammers use free scripts to their advantage very ingenuously. Refer-a-Friend scripts are a great asset on any site. They allow visitors to recommend a site to their friends. And, by simply a Refer-a-Friend script, a Webmaster can increase traffic on his website at zero cost!
 
Unfortunately, Refer-a-Friend scripts that don't have built-in security features are a popular tool with spammers as well. When your site visitor enters friends' e-mails, the insecure Refer-a-Friend scripts capture those e-mails and collates them into a spam database.
 
The spammers then use the e-mails to create illegal lists and sell them for a profit or send large quantities of spam. This can result in major damage for your website from loss of consumer loyalty and trust to deactivation of your e-mail privileges by your hosting company to even disbarment from your web server.
 
It thus becomes vital that any Refer-a-Friend script that you choose to install on your website must have a security feature. The scripts should limit how many people can be e-mailed at one time and how many e-mails can be sent within a limited period. It can also set a delay before the form can be used again. One of the most effective security features is to get visitors to enter a randomly generated visual code, which is not readable by spam software. Forewarned is forearmed.
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