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DATE 2010-03-01

HANGOUT

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Key: Value:

Key: Value:

MESSAGE
DATE 2010-03-01
FROM Paul Robert Marino
SUBJECT Re: [NYLXS - HANGOUT] this should not get through
the most efficient way to do it is in postfix prior to the delivery to
the mailing list server.
there are many anti-spoofing plugins you can use to attempt to detect
and block it.



On 2/26/2010 7:40 PM, Ron Guerin wrote:
> Ruben Safir wrote:
>
>> I'm sorry, I missunderstood you. Your saying that the mbox client, for
>> lack of a better term, creates the From line in the mbox format from the
>> envelope, and that it isn't strictly a header?
>>
>> I think your right about that. I seem to remember reading that.
>>
>> That is a problem though. I can spoof any From: header with mutt in a
>> second and so can any spammer. How the heck can you protect the mailing
>> list?
>>
>>
> You can spoof the entire contents of an email including the envelope.
> Nothing new there. I don't know much about Majordomo, but unless it has
> native anti-abuse features or a plugin architecture to add them
> yourself, this is all beside the point. By the time the message gets to
> Majordomo, the question of whether or not to accept it has already been
> made. You need to insert something in front of it, just like I'm
> finding myself doing with GNU Mailman.
>
> GNU Mailman happens to have a very nice integrated feature for dealing
> with list spam. But it doesn't apply that to mail that's just "passing
> through" to the administrative addresses. So in order to spare myself
> and everyone else who looks after the list from all the spam that tries
> to get sent to those addresses, I have to intercept the mail before it
> hits Mailman. That's what you're going to have to do as well in the
> absense of any internal anti-abuse functionality in Majordomo.
>
> But for the sake of completeness, I'm now going to reverse gears and
> assume that Majordomo does have internal anti-abuse features. If it
> does, and all it bases its decisions on is who the mail appears to be
> from, it's never going to be very useful because that's really the least
> useful thing for determining what's spam and what's not. Trust no one,
> analyze everything. Spam is still spam even when your mother sends it
> to you.
>
> - Ron
>

  1. 2010-03-01 Paul Robert Marino <prmarino1-at-gmail.com> Re: [NYLXS - HANGOUT] this should not get through
  2. 2010-03-01 Ruben Safir <mrbrklyn-at-panix.com> Subject: [NYLXS - HANGOUT] Catching the streams from Flash Video
  3. 2010-03-02 Ruben Safir <mrbrklyn-at-panix.com> Subject: [NYLXS - HANGOUT] [ruben-at-mrbrklyn.com: [jim-at-well.com: [conspire] open source
  4. 2010-03-02 Ruben Safir <mrbrklyn-at-panix.com> Subject: [NYLXS - HANGOUT] Phone Tech Wars
  5. 2010-03-02 Ron Guerin <ron-at-vnetworx.net> Subject: [NYLXS - HANGOUT] NYLUG Workshop / Hacking Society (Smalltalk, C++, Python) Tuesday March 2 6:00PM-8:00PM
  6. 2010-03-02 Ruben Safir <mrbrklyn-at-panix.com> Re: [NYLXS - HANGOUT] this should not get through
  7. 2010-03-02 Paul Robert Marino <prmarino1-at-gmail.com> Re: [NYLXS - HANGOUT] this should not get through
  8. 2010-03-02 Paul Robert Marino <prmarino1-at-gmail.com> Re: [NYLXS - HANGOUT] this should not get through
  9. 2010-03-03 Ruben Safir <mrbrklyn-at-panix.com> Subject: [NYLXS - HANGOUT] C++ Workshop _ Syntax Basics - agregate data types
  10. 2010-03-03 Ruben Safir <mrbrklyn-at-panix.com> Re: [NYLXS - HANGOUT] C++ Workshop _ Syntax Basics - agregate data
  11. 2010-03-03 Ruben Safir <mrbrklyn-at-panix.com> Subject: [NYLXS - HANGOUT] C++ Workshop _ Syntax Basics - agregate data
  12. 2010-03-04 Ruben Safir <mrbrklyn-at-panix.com> Subject: [NYLXS - HANGOUT] C++ Workshop _ Syntax Basics
  13. 2010-03-05 Ruben Safir <mrbrklyn-at-panix.com> Re: [NYLXS - HANGOUT] C++ Workshop _ Syntax Basics
  14. 2010-03-05 Ruben Safir <mrbrklyn-at-panix.com> Subject: [NYLXS - HANGOUT] AlphaOne Labs invited you to the event "Ask-a-Sysadmin
  15. 2010-03-06 Ruben Safir <mrbrklyn-at-panix.com> Subject: [NYLXS - HANGOUT] Professors Open Source Summer Experience -at-RIT
  16. 2010-03-07 Kevin Mark <kevin.mark-at-verizon.net> Re: [NYLXS - HANGOUT] Professors Open Source Summer Experience -at-RIT
  17. 2010-03-09 Ruben Safir <mrbrklyn-at-panix.com> Subject: [NYLXS - HANGOUT] C++ Workshop _ Syntax Basics Structs Unions and
  18. 2010-03-09 From: "Beau Gould" <bg-at-capitalmarketsp.com> Subject: [NYLXS - HANGOUT] [JOB] System Administrator, NYC to 90k
  19. 2010-03-09 Ruben Safir <mrbrklyn-at-panix.com> Re: [NYLXS - HANGOUT] [JOB] System Administrator, NYC to 90k
  20. 2010-03-10 Ruben Safir <mrbrklyn-at-panix.com> Re: [NYLXS - HANGOUT] C++ Workshop _ Syntax Basics Structs Unions
  21. 2010-03-13 redpill <redpill-at-rcn.com> Subject: [NYLXS - HANGOUT] NYLXS Library?
  22. 2010-03-13 redpill <redpill-at-rcn.com> Subject: [NYLXS - HANGOUT] NYLXS Library?
  23. 2010-03-14 Ruben Safir <mrbrklyn-at-panix.com> Re: [NYLXS - HANGOUT] NYLXS Library?
  24. 2010-03-14 Ruben Safir <mrbrklyn-at-panix.com> Re: [NYLXS - HANGOUT] NYLXS Library?
  25. 2010-03-15 redpill <redpill-at-rcn.com> Re: [NYLXS - HANGOUT] NYLXS Library?
  26. 2010-03-15 redpill <redpill-at-rcn.com> Re: [NYLXS - HANGOUT] NYLXS Library?
  27. 2010-03-15 Contrarian <adrba-at-nyct.net> Re: [NYLXS - HANGOUT] NYLXS Library?
  28. 2010-03-15 Contrarian <adrba-at-nyct.net> Re: [NYLXS - HANGOUT] NYLXS Library?
  29. 2010-03-15 Contrarian <adrba-at-nyct.net> Re: [NYLXS - HANGOUT] NYLXS Library?
  30. 2010-03-15 Contrarian <adrba-at-nyct.net> Re: [NYLXS - HANGOUT] NYLXS Library?
  31. 2010-03-15 Ruben Safir <mrbrklyn-at-panix.com> Re: [NYLXS - HANGOUT] NYLXS Library?
  32. 2010-03-15 Ruben Safir <mrbrklyn-at-panix.com> Re: [NYLXS - HANGOUT] NYLXS Library?
  33. 2010-03-15 Ruben Safir <mrbrklyn-at-panix.com> Re: [NYLXS - HANGOUT] NYLXS Library?
  34. 2010-03-16 Ruben Safir <mrbrklyn-at-panix.com> Subject: [NYLXS - HANGOUT] C++ Workshop _ Syntax Basic: Flow Control Structures
  35. 2010-03-16 Ron Guerin <ron-at-vnetworx.net> Subject: [NYLXS - HANGOUT] NYLUG Workshop / Hacking Society (Smalltalk, C++, Python) Tuesday March 16 6:00PM-8:00PM
  36. 2010-03-16 redpill <redpill-at-rcn.com> Re: [NYLXS - HANGOUT] NYLXS Library?
  37. 2010-03-16 redpill <redpill-at-rcn.com> Re: [NYLXS - HANGOUT] NYLXS Library?
  38. 2010-03-17 Ruben Safir <mrbrklyn-at-panix.com> Subject: [NYLXS - HANGOUT] C++ Workshop - Switches and Break
  39. 2010-03-17 einker <eminker-at-gmail.com> Subject: [NYLXS - HANGOUT] Revolution OS at Darress Theatre
  40. 2010-03-20 Ron Guerin <ron-at-vnetworx.net> Subject: [NYLXS - HANGOUT] Free Software Round Table TONIGHT at 10PM (live streaming)
  41. 2010-03-21 Ruben Safir <mrbrklyn-at-panix.com> Subject: [NYLXS - HANGOUT] C++ Workshop - Syntax Basics -- functions
  42. 2010-03-21 Kevin Mark <kevin.mark-at-verizon.net> Re: [NYLXS - HANGOUT] C++ Workshop - Syntax Basics -- functions
  43. 2010-03-21 Ruben Safir <mrbrklyn-at-panix.com> Re: [NYLXS - HANGOUT] C++ Workshop - Syntax Basics -- functions
  44. 2010-03-21 Ruben Safir <mrbrklyn-at-panix.com> Re: [NYLXS - HANGOUT] C++ Workshop - Syntax Basics -- functions
  45. 2010-03-21 Ruben Safir <mrbrklyn-at-panix.com> Re: [NYLXS - HANGOUT] NYLXS Library?
  46. 2010-03-21 Ruben Safir <mrbrklyn-at-panix.com> Re: [NYLXS - HANGOUT] NYLXS Library?
  47. 2010-03-21 Kevin Mark <kevin.mark-at-verizon.net> Re: [NYLXS - HANGOUT] C++ Workshop - Syntax Basics -- functions
  48. 2010-03-21 Ruben Safir <mrbrklyn-at-panix.com> Re: [NYLXS - HANGOUT] C++ Workshop - Syntax Basics -- functions
  49. 2010-03-21 Ruben Safir <mrbrklyn-at-panix.com> Subject: [NYLXS - HANGOUT] Tina Gasperson commented on Darin Gasperson's status...
  50. 2010-03-21 redpill <redpill-at-rcn.com> Re: [NYLXS - HANGOUT] NYLXS Library?
  51. 2010-03-22 From: "Beau Gould" <bg-at-capitalmarketsp.com> Subject: [NYLXS - HANGOUT] [JOB] Systems Engineer, NYC | 90-100k
  52. 2010-03-23 Ruben Safir <mrbrklyn-at-panix.com> Re: [NYLXS - HANGOUT] NYLXS Library?
  53. 2010-03-24 einker <eminker-at-gmail.com> Subject: [NYLXS - HANGOUT] Free Software Award Winners Announced
  54. 2010-03-24 einker <eminker-at-gmail.com> Subject: [NYLXS - HANGOUT] Free Software Award Winners Announced
  55. 2010-03-25 redpill <redpill-at-rcn.com> Re: [NYLXS - HANGOUT] NYLXS Library?
  56. 2010-03-25 Ruben Safir <mrbrklyn-at-panix.com> Re: [NYLXS - HANGOUT] NYLXS Library?
  57. 2010-03-25 swd <sderrick-at-optonline.net> RE: [NYLXS - HANGOUT] NYLXS Library?
  58. 2010-03-30 Ron Guerin <ron-at-vnetworx.net> Subject: [NYLXS - HANGOUT] NYLUG Workshop / Hacking Society (Smalltalk, C++, Python) Tuesday March 30 6:00PM-8:00PM

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