anti spam

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  • Canada lacks anti-spam legislation, plays catch-up

    Posted March 10, 2009 - 7:30 am

    Canada, France, Germany, Italy, Japan, Russia, the United Kingdom and the United States. Which of these G8 countries is the odd one out? Well, I suppose that each of them is in some way, but Canada is unique among the G8 nations for not having any form of anti-spam legislation. Surprising, eh?
  • The last line of defense against spam

    Posted February 2, 2009 - 5:47 am

    Many organisations that implement an email anti-spam solution will apply a multi-layered approach. They will implement a system that includes content filtering, IP block lists, quarantine of suspected spam items, Bayesian detection, and other important features.
  • Is Google a spam-enabler?

    Posted January 9, 2009 - 5:04 am

    According to the most recent statistics from Spamhaus, Google ranks as number three in the ten worst spam service ISPs. Spamhaus keeps a running list of the world’s worst spam problem networks.
  • Is Canada a Spam Haven?

    Posted December 11, 2008 - 10:46 am

    The spammer that Facebook won a landmark $873 million settlement against last month operated out of Canada, leading to criticism of the country’s lax anti-spam regulations. They did attempt to address the problem of spam in 2004 when they formed the National Task Force on Spam.
  • How well do you know your spam?

    Posted December 11, 2008 - 10:43 am

    Here are some tidbits to share as ongoing education for your email user community.
  • How to decode Spam Headers

    Posted December 4, 2008 - 11:42 am

    Spammers know that they can be tracked through the “Received:” lines in the headers. Therefore, they often attempt to obfuscate the headers to confuse matters. Although “Received:” headers can also be forged, it is somewhat more difficult than simply forging the return address.
  • Bayesian Spam Filtering

    Posted November 27, 2008 - 4:46 am

    Bayesian filtering is one of the most effective and intelligent solutions to combat spam email nowadays. Spam is a problem faced by all email users and it shows no sign of slowing down anytime soon; in fact, the number of spam emails is increasing daily.
  • An Educated Email User is a Spammer’s Nightmare

    Posted October 13, 2008 - 7:02 am

    So you have taken the time to research, select and install a world class anti spam solution, such as GFI MailEssentials. And 80,000 satisfied customers say it’s the best. To enhance this solution consider implementing a continuous “anti spam” education program in your company.
  • Anatomy of a Spam Virus

    Posted October 13, 2008 - 6:47 am

    A botnet created by a trojan virus is sometimes referred to as SpamThru. According to the Don’t Bounce Spam organization, spammers have become very sophisticated in the way they manage their botnets , and the SpamThru Trojan is the leading example. In at least one case the botnet consisted of over 73,000 computers.
  • To Fight Back, Read What Spammers Read

    Posted October 3, 2008 - 10:47 am

    The Internet Engineering Task Force provides RFC2821, which is an excellent reference for understanding the details of email transport protocols. In order for email administrators to know what they are up against, in thwarting spammers, RFC2821 should “the” primer to ingest.

  • Why Bayesian filtering is the most effective anti-spam technology

    Posted October 3, 2008 - 6:44 am

    Achieving a 98%+ spam detection rate using a mathematical approach

    This white paper describes how Bayesian mathematics can be applied to the spam problem, resulting in an adaptive, ‘statistical intelligence’ technique that achieves very high spam detection rates.
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