防垃圾邮件信息过滤

Spam Filters垃圾邮件过滤
By Andrew Symonds安德鲁西蒙兹
Though previously not acknowledged as a serious threat, spamming has now reached about 60% to 70% of all e-mail traffic all over the world.虽然以前不承认是一个严重的威胁,滥发现在已达到约60%至70%的所有电子邮件交通世界各地. Different institutions and organizations, including government agencies, recognize the threat spam brings with it.不同的机构和组织,包括政府机构,承认威胁的垃圾邮件所带来的责任. Thus anti-spamming efforts have been on the rise in the past years.因而反滥发的努力一直在上升,在过去多年.

Spam software is one of the most commonly employed tools against spam.邮件软件是最常用的手段打击垃圾邮件. There are many available spam software in the market today.有许多现有的邮件软件在今天市场. They make use of a variety of methods and techniques.他们利用各种方法与技巧. In choosing the right spam software for your company, you should at least know the concept behind them.在选择正确的邮件软件为你的公司,你至少应该知道背后的理念. This will help you choose the most suitable spam software to meet your needs.这将帮助您选择最适合的邮件软件,以满足客户的需求.

Spam software usually makes use of spam filters.邮件软件通常利用垃圾邮件过滤. A spam filter basically identifies specific items – keywords or IP addresses for example – that are either allowed to go through or are blocked.垃圾邮件过滤基本上确定了具体项目-关键字或IP地址,例如那些或是允许经过还是受到阻挠. One technique that some spam software make use of is the RBL or Real Time Black Hole List.其中的一种方法,一些邮件软件使用的是书目或实时黑洞名单. In this method, the spam filter takes note of IP addresses, which are known to send spam.这种方法的垃圾邮件过滤注意到IP地址,这是众所周知的发送垃圾邮件. All communication from these IP addresses is then blocked.所有通信都从这些IP地址,然后封锁.

Another technique used by spam software is keyword based filtering.另一种方法是用邮件软件是基于关键字过滤.

In this method, the spam software is configured by the user by inputting specific keywords and key phrases, which are to be banned.这种方法的邮件软件的配置由用户输入特定的关键字和关键短语,而予以禁止. All communication with these keywords and phrases are then blocked by the spam filter.所有的沟通与这些关键字和短语,然后阻挡垃圾邮件过滤器.

Other spam software makes use of permission-based filtering.其他邮件软件使用许可的过滤. E-mail addresses are supposed to be authorized, otherwise they are blocked.电子邮件地址理应予以认可,否则,他们都被封锁. Spam filters, which are permission-based, also make use of tags embedded in the e-mails to determine whether to give authorization or not.垃圾邮件过滤,这是基于许可的,还利用标记嵌入的电子邮件,以决定是否给予批准与否. The absence of these tags would then prompt the spam filter to block the e-mail.如果没有这些标记,然后迅速的垃圾邮件过滤器阻止的电子邮件.

Another technique used by spam software is concept-based filtering.另一种方法是用邮件软件是概念式过滤. This method scans the text and detects its concept.这种方法可扫描文本和辨别其概念. If the concept does not meet the requirements of the spam filter, the e-mail is then blocked.如果这个观念不符合要求的垃圾邮件过滤器,电子邮件是当时所能阻挡的.

These are some of the most commonly used techniques in combating spam through spam software.这是一些最常用的技术,在打击垃圾邮件通过邮件软件. Determine which method would suit your needs best.确定哪一种方法会适合你的需要. Then you can look into different spam software that you can use.那你可以看到不同邮件软件,你可以使用.

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