Anti-Spam Filters For Exchange

Foreword By Mike Alexander

The following article by Mark Victor Balotelli covers the use of anti-spam filtering for users of Microsoft Exchange. If you like this piece, be sure to read his thumbnail bio at the end of the article.

Spam Filtering

Email spam filtering is the process of organizing incoming email according to specific criteria in order to eliminate unwanted messages. Spam filtering software plays the role of sorting mail in a bid to identify and remove any junk. Exchange spam filters are commonly installed on internet mail servers, on private network servers or on personal computers. They have the capacity to recognize spam and prevent its delivery. Exchange spam filters and spam emails play diametrically opposed roles whereby spam is effective if it is capable of evading filters whereas exchange spam filters are effective if they are capable of recognizing spam.

Unethical Mail

Spam mail can generally be regarded as unethical email that accumulates and lacks suitable header information. Spam email equally performs involuntary tracking after being opened thus spreading spyware as well as viruses. This unsolicited email generally plays the role of advertising the services and products of a particular company to potential customers who do not have any association with the company. It is common to find spam emails that are generally malicious rather than advertising the company services and products. In such instances, senders devise an approach to make emails appear similar to spam in the hope that recipients will visit a website and consequently allow virus downloading onto their particular computers.

Trojans, Viruses And Scams

In addition to the spread of malicious trojans as well as viruses, spam can be responsible for perpetuating phishing scams and this leads to spam filters being considered the proper means of protecting the network and the computer besides eliminating the junk mail. Exchange spam filters function by comparing parameters involving the configurable rules listings and the incoming mail. The settings of spam filters may, for example, be used for scrutinizing the subject heading of any incoming mail specifically for terms associated to pharmaceuticals and pornography in addition to other spam products that are common.

Subject Headings

The subject headings that spam generally includes are innocuous and personable and this increases the complication for the general spam ISP filters to differentiate between email that is legitimate and spam. Thus, certain spam emails have a chance of penetrating the internet mail servers onto the connected private networks and end-users. This is why most network administrators install spam filters and this is equally true with end-users who work from home. These are the sort that require intense configuration in order to catch junk mail and more so that which goes past spam filters that are configured online.

User Reviews

A similarity exists between exchange spam filters and certain programs, in the sense that they are not all equal. There is a spam filter which is presently regarded as intelligent and this is based on a statistical methodology. A comparison is made by this program between the set of user-defined rules and every incoming mail before spam can be identified based on mathematical probabilities. An exchange spam filter passes junk mail onto spam folders in the simplest configurations although mail that is legitimate is passed to the inbox. The user reviews the assignments before the mistakes are corrected. The exchange spam filter program is capable of recalling corrections and hence ensures that there is no potential repetition regarding this sort of mistakes.

About the Author

Using an Exchange spam filter is vital for business worldwide to protect users against a flood of spam, which causes unnecessary frustration and wastes time. GFI MailEssentials is the leading anti spam filter for Exchange and catches over 99% of spam.

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Tags: email newsletter software, marketing by email, opt-in email marketing, spam filtering, spam reporting

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