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Eliminating Spam from Your Inbox

Spam can be just as malicious as it is annoying. Here’s our best suggestions for defending your inbox. The facts are staggering… Spam emails are estimated to cost anywhere between US$10 to $87 billion per year in direct costs and lost productivity. What’s more, 90% of computer viruses are spread by email attachments.

Spam has become so insidious that every company has to consider the cost and means of reducing its impact. Sometimes it’s as simple as implementing a basic spam filter and applying best practices– i.e., following a few rules for recognizing and eliminating spam. On the other end of the spectrum are the most aggressive tactics, which involve turning the tables on spammers. This article provides ten tips to help eliminate spam email from your inbox.

1. Use Spam Filters.
When email was originally designed in SMTP (Simple Mail Transfer Protocol) there was no reason to authenticate email message senders because email was originally only for trusted users such university researchers. So to make the process simpler, emails were designed to be able to “hop” from one machine to another, on to its destination. On the public Internet, this is a serious flaw [1], allowing spammers to spoof the origin of a message.

Initially, spam filters were created that used a dictionary method to filter spam if certain words were present (e.g. “Viagra” or “Sex”). It was not until years later, that IronPort (recently acquired by Cisco) devised a more robust, effective spam filtering method using a two-layer defense model [1], now used in over 20% of email servers.

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Spam, Inbox, Email, Guide, Eliminate

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