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Saturday, January 18 2020 @ 12:57 PM CET


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  • Ad Blocking (816)
    Ad Blocking list
  • Email Privacy (436)
    The most comprehensive source for information regarding email security and privacy.
  • Hideaway, security related (420)
    Hideaway, security related
  • iptables HOWTO (1,479)
    iptables firewall howto
  • Multi RBL check (716)
    Realtime Blackhole List
  • Open RBL (470)
    Realtime Blackhole List
  • Phrack (415)
  • Spam and Open Relay Blocking System (730)
    The Spam and Open Relay Blocking System (SORBS) was conceived as an anti-spam project where a daemon would check "on-the-fly", all servers from which it received email to determine if that email was sent via various types of proxy and open-relay servers. The daemon was not particularly well written and served as a lesson in programming for its original author, Matthew Sullivan.