How To Update Exchange Server Spam Filter.
Without a functioning spam filter, the one thing that is bound to happen is that all types of emails will get into the company's mail boxes resulting in a waste of space and man hours. As such, organizations have got to be smart when it comes to dealing with junk email or bulk email that the company could regard as spam.
Although a spam filter sounds rather technical, it is a simple installment that every company should use in order for all incoming messages to be checked out before being allowed to pass through into the system.
Spam comes in different categories and at different levels and once each message has been properly evaluated then its spam (confidence) level is set. Microsoft exchange supports various commercial spam filters, which present another tweak for the email gateway that gives extra protection and possability to set up email policy, and allow or deny different kinds of e-mail access to the client's inbox. It is possible and highly recommended to update exchange spam filter regularly in order for it to function properly thereby reducing the negative effects of spam on an organization.
However, even though spam filters are a major gain for the online community, the users of the spam guard have to tweak filters and customize them for best use. Exchange administrators need to periodically upgrade spam filter rules to a fresher database. In some cases, some of the spam filter options offered by different companies are so stringent that any mail with a hint of distortion ends up in the junk mail even though it might not be spam.
Regulating the spam settings is harder than it sounds because the more complicated the spam filters, the more cunning the spammers become. This then causes the industry to come up with even tougher measures that stop spamming for few days, and then spammers adapt and new, different spam mails are again reaching inboxes of users... Consequently, there are certain things that any administrator ought to look into before they upgrade their spam filter.
You should have a acceptable use policy defined on the corporate level. Every client should use a spam filter or standalone spam guard program that is appropriate and certified by IT department. Users should also have a whitelist of their peers to whom they regularly exchange email with. Spam checking should also be done on all outbound emails, so that your email gateway does not become flagged as spammer gateway (which can happen if someone on your LAN gets infected by a virus, and becomes a spam zombie). Secondly, once the mail server is set, relaying option for email has got to be turned off. This element of the ms exchange spam guard will prevent any non-internal emails/domains to be sent thru your mail server, which would consequently lead into your server again being marked as spam.
In short as one is upgrading their exchange spam filter these are the main steps to be followed in order to prevent spam form getting in or information from your company from being flagged as spam mail unintentionally.
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