Presented by Daniel Toriola
Spammers are getting smarter with each passing day, and many of them have identified the keywords and key
phrases that spam detectors use in order to identify spam e-mails.
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Cost Of Spam And Why Use Anti-spam Filter
By Julia Gulevich
E-mail is now being abused. The flow of spam on the Internet is the proof. It is annoying to
download hundreds of disgusting spam emails into the inbox looking for some legitimate messages.
Not only you waste your valuable time to delete junk emails by hand, you also waste your money as
each spam message in your inbox takes precious kilobytes of bandwidth you paid for. In addition,
spam messages can contain viruses, which can infect your computer system, and hidden tracking
codes, which work as soon as you click on the message and let the spammer know that your email
address is valid. With all that said, it would be great to delete the messages that you don’t want to
receive beforehand and launch your email client to pull down only good emails. Anti-spam software
can do this for you. It helps you fight against annoying spam.
There is a wide choice of anti-spam filters available on the Internet. The common services or features
they offer are:
• Whitelist and Blacklist. The decision whether an email message is spam or good is taken based on
the sender’s email address. The whitelist contains “friendly” email addresses, and the blacklist contains
potential spammers, or simply people you don’t want to communicate with.
• Filtering based on the message subject or content. Some words or phrases are met in spam emails
more often than others. These are usually vulgar or adult words (sometimes too offending). Thus,
filtering based on a keyword is rather helpful.
• Virus scanning. There is possibility that spam email contains a virus in t