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Exchange Email Server - How to Filter Spam

By: Jane Y. Whigmore

Due to the increasing amount of spam, effective filters are needed to monitor and block junk messages, it is the only way to ensure proper functioning of MS Exchange

Spam e-mail has turned out to be one of the greatest threats for todays business world because they add trouble and cut down productivity. Companies get tons of indecent, deceptive and irking e-mails in bulk regularly. Spam is the word most commonly used to express discarded, unwanted and promotional mails. Spam is not an acronym, thus it doesn’t denote something. A spam e-mail is usually an e-mail with commercial content that is sent to thousands of recipients who never requested any kind of information from the person or organisation sending it.

Being bombarded with huge volum of unwanted e-mails with commercial content can cost businesses and individuals lots of resources and time while sorting and deleting unsolicited messages from the legitimate messages. This hinders an effective organisation and generates frustrated employees.

Deleting spam is a time consuming process, email server up-time and performance suffers, and your network faces a security risk from malevolent messages. Furthermore, the company also faces the risk as these spam mails might lead to irreparable harm to the systems, thus causing disorder and big loss of work and capital to the company.

The only guard against the threat from spam is professional asistance ensuring complete security and protection. Thus, the server should be shielded to assure that all the passing information is filtered and fire-walled against spam. A spam filter for e-mail servers is typically an intelligent application that filters all new messages, finds spam on the basis of a chosen configuration and blocks all unwanted e-mails preventing them from passing all the way to the users inbox. One of the often used mail servers is the Exchange Server developed by Microsoft, and this product from Microsoft makes core mail services fast and reliable.

Spam devices can be of great help to carry out filtering at an exchange server or spam mail blocking at exchange server. A server side spam filter enables users to automate the procedure to sort and remove spam at the server level i.e. before it reaches the internal network and each user’s personal computer. Automating is a suggested task as it saves the personal computer, and time of users in addition to the network from damage which can lead to data loss and downtime.

As the anti-spam technology cant be taken as perfect, conducting a manual checking by network administrator is a suitable measure to scrutinize the periodically filtered out messages to ensure that the exchange server spam filter is not detecting messages that are not really spam.