Everybody hates unwanted email or spam, and without an effective anti-spam solution in place, it costs US companies an estimated $21.8 billion annually (citation: Information Week, "Spam Costs Billions"), including infrastructure and bandwidth costs and the loss of employee productivity. To calculate your company's cost of spam - try this online calculator (www.google.com/postini/roi_calculator.html). Implementing a powerful tool that helps with stopping spam in the first place can eliminate these outside threats to productivity.

Tips for Stopping Spam

1. If you receive a "suspicious" email message - one from a sender whom you don't know or recognize, simply delete the email. Spammers use code in their emails that helps perpetuate the problem and opening their emails helps them in this regard. A high-tech anti-spam solution will often nip this problem in the bud, however.

2. Stopping spam is as easy as breaking the chain; don't perpetuate unsolicited emails by forwarding or passing along messages that may appear legitimate but are likely hoaxes, for example tales of criminal activities, such as identity theft.

3. Create and utilize a "disposable" email address in place of your primary email address when providing a contact email address for goods and services providers on the Internet. You can forward this disposable address to your primary address, and if the disposable address ever gets compromised and starts receiving a lot of spam - you can simply shut it off and create a new disposable address, stopping the spam being sent by those particular offenders. Many businesses will automatically add you to their email distribution lists and some may share or sell your email address to other companies.

4. When ordering items online, do not check the box that states "YES, I want to be contacted by select third parties concerning products I might be interested in" or something similar.

5. When you register a domain, use a disposable email address in place of your primary email address. Spammers will use "bot" software which automatically "crawls" the public domain registries and other websites to gather email addresses from these public records. Many domain owners use a generic "administrator@" mailbox that they only need to check occasionally. Usually, however, an anti-spam solution, should you have one, will catch these unwanted emails.

6. When you receive unsolicited spam, do not select the box or click the link that states you would like to be removed from their mailing list. By sending a reply to the spammer, you will validate the email address for them. If you're getting spam from a legitimate business, however, asking to be removed from their mailing lists can reduce the amount of unwanted email you receive and begin stopping the spam you are receiving, as they are required to respect your wishes because of the CAN-SPAM Act of 2003, a sort of middle man anti-spam solution.

7. Without a proper anti-spam solution, don't have a "catch-all" on your domain, where any mail sent to something@yourdomain.com gets delivered even if you haven't specifically created the something@ email address. This "catch all" feature is very susceptible to the "brute force" method of spamming, where spammers send an email to every conceivable combination of letters and numbers, (such as a@yourdomain.com, b@yourdomain.com, c@yourdomain.com, etc.).

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