Filtering E-Mail with Postfix and Procmail, Part One

Tuesday, 18 June 2002, 11:57 AM EST

Most folks dislike spam in their e-mail. Spam takes up our network, disk, and cpu resources. It requires that we weed through unwanted messages to find the ones that we requested. (I'm not going to try to convince you that spam is not good, you can check out some of the anti-spam resources listed in the relevant links section below, if you're interested.) Fortunately, we have many points along the network at which we can implement spam filtering, particularly:

  • SMTP daemon;

  • local mail delivery agent; and,

  • the e-mail client

[ Read more ]

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Using Hollywood to improve your security program

Posted on 29 July 2014.  |  Tripwire CTO Dwayne Melancon spends a lot of time on airplanes, and ends up watching a lot of movies. Some of his favorite movies are adventures, spy stuff, and cunning heist movies. A lot of these movies provide great lessons that we can apply to information security.


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