(r1) ServerAntiSpam < Org

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---++ Approach

While I suspect we'll eventually get into anti-spam for any number of reasons, initially, we'll be concerned mainly with members-only mailing lists.  Given that, we can solve the spam completely and easily by simply discarding (or better yet, rejecting during the SMTP conversation) all mail from non-list-members.  After taking care of the mailman admin approval queues for a few months, I don't see this as being a problem.  We get so little legit mail in these queues that I think I'm willing to call the once-every-other-month mis-posted message "acceptable losses".  That would kill the gnhlug-jobs list, though.  OTOH, that list doesn't appear to get any legit traffic, so maybe it's already dead.  A web-based interface would be better anyway, I think.  There are a few aliases (chairman@, etc.) that we might have to worry about.  -- Main.BenScott - 23 Feb 2006

---++ Software

  Given that a lot of the following things are complementary and can be used together, the current layout of the discussion (votes and pros and cons) seems broken to me. -- Main.BenScott - 23 Feb 2006

Votes for:
   * !MailScanner
      * Main.BillMcGonigle
   * !AMaVIS
   * !SpamAssassin
      * Main.ColeTuininga
      * Main.MikeLedoux
   * Spamhaus rbl(s)
      * Main.ColeTuininga
      * Main.BruceDawson (Not necessarily Spamhaus)

Experience with (admin level):
   * !MailScanner
      * Main.BillMcGonigle
   * !AMaVIS
   * !SpamAssassin
      * Main.ColeTuininga
      * Main.MikeLedoux
   * !RBLs
      * Main.ColeTuininga
      * Main.BruceDawson

Reasons for:
   * !MailScanner
      * Easy to configure, modify configuration, very flexible.  Auto-updates for !ClamAV, !RulesDuJour.  Integrates !SpamAssassin without separate daemon.  Disarms spam, phishing, viruses, "active" HTML mail. -- Main.BillMcGonigle - 20 Feb 2006
   * !AMaVIS
   * !SpamAssassin
      * Easily configured, low maintenance, good results, low-to-zero false-positives.  -- Main.MikeLedoux - 21 Feb 2006
   * !RBLs
      * Someone else does the bulk of the work -- Main.BruceDawson - 22 Feb 2006
      * Have a small footprint on the system  -- Main.BruceDawson - 22 Feb 2006
      * Catch 90% of the SPAM. -- Main.BruceDawson - 22 Feb 2006

Reasons against:
   * !MailScanner
      * Somewhat CPU intensive.  I've never seen decent hardware CPU bound by it though.  -- Main.BillMcGonigle - 20 Feb 2006
   * !AMaVIS
   * !RBLs
      * The lists are maintained by others -- Main.BruceDawson - 22 Feb 2006
      * Some discriminate against dynamic and other large block of IPs. -- Main.BruceDawson - 22 Feb 2006

Topic revision: r1 - 2006-02-22 - BenScott

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