Is or isn't a message spam? This is how a spam filter test works. Who needs a spam filter test? Web developers that depend on email marketing campaigns are the first interested in knowing whether their newsletters have any chances of passing an over zealous anti-spam program.

People do not know that they are usually responsive for the spam they get in the email. Even if you don't have a spam filter, you can block junk email by avoiding to give your email address lightly. When you give your details on a web site that requires registration, you create the premises for spam. Consider just the following instances when you gave your address easily: for page registration, for subscribing to white or yellow pages, to friends, for software downloads, in online forums and chat rooms, and the list may go on.

Spam is a reality of the Internet, but not all users suffer from it at the same extent. It is definitely hard for businesses to distinguish valuable messages from unsolicited emails. For business and personal assistance alike, software companies have created special anti-spam programs meant to block the access of unsolicited mail to inbox in more than 90% of cases. Released by Microsoft in May 2004, the Exchange spam blocker is a smart tool designed for mailbox protection. The target market for this product consists of individual users and companies that receive unsolicited commercial emails in very large numbers.

There are lots of things that an email spam blocker may help a PC user achieve. First of all, in order to fully appreciate such a tool, one should keep in mind the dangers that come with unsolicited mails, besides the unpleasant task of having to identify good emails from junk.