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DATE 2008-12-01

HANGOUT

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Key: Value:

Key: Value:

MESSAGE
DATE 2008-12-18
FROM Ruben Safir
SUBJECT Re: [NYLXS - HANGOUT] tracking mail
On Wed, Dec 17, 2008 at 11:30:30AM -0500, Ron Guerin wrote:
> Ruben Safir wrote:
>
> > How is settin up SA going to hel. You'd have to end the recieving side
> > of the server and I'd had thought that SA works on the back end when the
> > message is being delivered.
>
> That is correct:
> 1) Spammer puts "From: ruben-at-mrbrklyn.com" on some spam
> 2) Spammer matches this spam and puts "To: hangout-at-mrbrklyn.com"
> 3) Spam is sent reaches NYLXS server
> 4) NYLXS server sees mail is from Ruben to Hangout, and accepts mail
> 5) Mail passes through SpamAssassin
> 6) Instead of being passed along to Majordomo, Procmail kills message
> because despite having from "ruben" and to "hangout", message scores
> like the dirty spam it is.
>
> > I just ask everyone to have some patients. I'll know this down like I
> > always do as soon as I get home. I get mail spoofing my adress all the
> > time. These guys found a crack.
>
> I'll repeat, there is nothing wrong with your setup.
>


There is a couple of problems with this. First, there is no real account for
hangout, so there is no ./procmailrc file to hang SA off of. Secondly, the
last time I ran spamassasin it pinned the server's CPU resources.

The procmail file for my personal account doesn't apear to be hit. It seems
the solution is to prevent domains from not matching the wrong IP addressses.
More directly, nothing from mrbrklyn.com should be allowed to come from
anywhere accept my local IP addresses, which I actually thought was the case.

Ruben

> > Ther should be a way to prevent sendmail from accepting false accounts
> > from wrong IP addresses.
>
> It's called SPF, but it's got problems.
>
> > My machines allow email relay from the local network. Maybe that is
> > being somehow exploited if Ron is right.
>
> You're looking for a problem that doesn't exist. Nothing here has been
> exploited. Nothing here is relaying mail. Everything is working the
> way it's supposed to work. The only thing you want to change is to put
> SpamAssassin between Sendmail and Majordomo because neither of them is
> in the business of detecting spam.
>
> I don't know what the case might be for Majordomo, but with Mailman
> there's a plugin that allows you to do more sophisticated analysis like
> "If this messasge is a list subscriber, deduct one point from the
> score". It's not necessary to use it, as the traditional means of
> calling SA work just fine (Procmail, Maildrop, etc.) but you may find
> something similar for Majordomo if you look.
>
> - Ron

  1. 2008-12-01 Ruben Safir <ruben-at-mrbrklyn.com> Subject: [NYLXS - HANGOUT] [Fwd: Tier 4 Support position available]
  2. 2008-12-02 Ruben Safir <ruben-at-mrbrklyn.com> Re: [NYLXS - HANGOUT] Installfest Priminary Schedule
  3. 2008-12-02 Ruben Safir <ruben-at-mrbrklyn.com> Re: [NYLXS - HANGOUT] NYLXS Installfest: Tuesday Evening: Dec 02 2008 Brooklyn
  4. 2008-12-02 Ruben Safir <ruben-at-mrbrklyn.com> Re: R: Re: [NYLXS - HANGOUT] NYLXS Installfest: Tuesday Evening: Dec 022008 Brooklyn
  5. 2008-12-03 Ruben Safir <ruben-at-mrbrklyn.com> Subject: [NYLXS - HANGOUT] Free Software Contest
  6. 2008-12-03 Ruben Safir <ruben-at-mrbrklyn.com> Re: [NYLXS - HANGOUT] Free Software Contest
  7. 2008-12-04 Ruben Safir <ruben-at-mrbrklyn.com> Re: [NYLXS - HANGOUT] Free Software Contest
  8. 2008-12-04 Ruben Safir <ruben-at-mrbrklyn.com> Subject: [NYLXS - HANGOUT] MTA RIPPOFF
  9. 2008-12-04 mlr52-at-michaellrichardson.com RE: [NYLXS - HANGOUT] MTA RIPPOFF
  10. 2008-12-05 Ruben Safir <ruben-at-mrbrklyn.com> Re: [NYLXS - HANGOUT] MTA RIPPOFF
  11. 2008-12-05 Ruben Safir <ruben-at-mrbrklyn.com> Subject: [NYLXS - HANGOUT] [Monique.Hughes-at-gpj.com: CommunityOne Call for Participation]
  12. 2008-12-06 Amy Coleman <acoleman-at-mrbrklyn.com> Re: [NYLXS - HANGOUT] Installfest Priminary Schedule
  13. 2008-12-10 Ruben Safir <ruben-at-mrbrklyn.com> Subject: [NYLXS - HANGOUT] crazy women on the prowl
  14. 2008-12-10 Amy Coleman <acoleman-at-mrbrklyn.com> Re: [NYLXS - HANGOUT] crazy women on the prowl
  15. 2008-12-11 Ruben Safir <ruben-at-mrbrklyn.com> Subject: [NYLXS - HANGOUT] [nyc-at-workatjelly.com: Jelly in Brooklyn this Friday, 12/12]
  16. 2008-12-11 swd <sderrick-at-optonline.net> Subject: [NYLXS - HANGOUT] Looooong Island Rail Road & Linux
  17. 2008-12-12 From: "Michael L. Richardson" <mlr52-at-michaellrichardson.com> Subject: [NYLXS - HANGOUT] [Fwd: New Mandriva Flash 2009 for the holiday season]
  18. 2008-12-12 Ruben Safir <ruben-at-mrbrklyn.com> Re: [NYLXS - HANGOUT] [Fwd: New Mandriva Flash 2009 for the holiday season]
  19. 2008-12-12 From: "Michael L. Richardson" <mlr52-at-michaellrichardson.com> Re: [NYLXS - HANGOUT] [Fwd: New Mandriva Flash 2009 for the holiday
  20. 2008-12-12 Ruben Safir <ruben-at-mrbrklyn.com> Subject: [NYLXS - HANGOUT] [malmonte-at-searchedp.com: PERL Developer]
  21. 2008-12-12 Ron Guerin <ron-at-vnetworx.net> Re: [NYLXS - HANGOUT] [malmonte-at-searchedp.com: PERL Developer]
  22. 2008-12-14 Ruben Safir <ruben-at-mrbrklyn.com> Subject: [NYLXS - HANGOUT] Freedom-IT this year
  23. 2008-12-14 Amy Coleman <acoleman-at-mrbrklyn.com> Re: [NYLXS - HANGOUT] Freedom-IT this year
  24. 2008-12-14 Ruben Safir <ruben-at-mrbrklyn.com> Re: [NYLXS - HANGOUT] Freedom-IT this year
  25. 2008-12-15 GUCCI <ruben-at-mrbrklyn.com> Subject: [NYLXS - HANGOUT] Dear (ruben-at-mrbrklyn.com) December 87% OFF!
  26. 2008-12-15 From: <ruben-at-mrbrklyn.com> Subject: [NYLXS - HANGOUT] Discount ID: 6104
  27. 2008-12-15 GUCCI <ruben-at-mrbrklyn.com> Subject: [NYLXS - HANGOUT] Dear (ruben-at-mrbrklyn.com) December 87% OFF!
  28. 2008-12-15 GUCCI <ruben-at-mrbrklyn.com> Subject: [NYLXS - HANGOUT] Dear (ruben-at-mrbrklyn.com) December 87% OFF!
  29. 2008-12-15 From: <ruben-at-mrbrklyn.com> Subject: [NYLXS - HANGOUT] Discount ID: 6657
  30. 2008-12-15 Ruben Safir <ruben-at-mrbrklyn.com> Re: [NYLXS - HANGOUT] Dear (ruben-at-mrbrklyn.com) December 87% OFF!
  31. 2008-12-15 Ruben Safir <ruben-at-mrbrklyn.com> Subject: [NYLXS - HANGOUT] tracking mail
  32. 2008-12-15 From: "Tameek" <tameek-at-gmail.com> Re: [NYLXS - HANGOUT] Dear (ruben-at-mrbrklyn.com) December 87% OFF!
  33. 2008-12-15 Ruben Safir <ruben-at-mrbrklyn.com> Re: [NYLXS - HANGOUT] tracking mail
  34. 2008-12-16 Ruben Safir <ruben-at-mrbrklyn.com> Subject: [NYLXS - HANGOUT] Xorg Wide Screen
  35. 2008-12-16 Ron Guerin <ron-at-vnetworx.net> Re: [NYLXS - HANGOUT] tracking mail
  36. 2008-12-16 From: "Michael L. Richardson" <mlr52-at-michaellrichardson.com> Re: [NYLXS - HANGOUT] tracking mail
  37. 2008-12-16 Ron Guerin <ron-at-vnetworx.net> Re: [NYLXS - HANGOUT] tracking mail
  38. 2008-12-16 From: <ruben-at-mrbrklyn.com> Subject: [NYLXS - HANGOUT] Discount ID: 0732
  39. 2008-12-17 GUCCI <ruben-at-mrbrklyn.com> Subject: [NYLXS - HANGOUT] Dear (ruben-at-mrbrklyn.com) December 87% OFF!
  40. 2008-12-17 From: <ruben-at-mrbrklyn.com> Subject: [NYLXS - HANGOUT] Discount ID: 5215
  41. 2008-12-17 Ruben Safir <ruben-at-mrbrklyn.com> Re: [NYLXS - HANGOUT] tracking mail
  42. 2008-12-17 Ruben Safir <ruben-at-mrbrklyn.com> Re: [NYLXS - HANGOUT] tracking mail
  43. 2008-12-17 From: "Michael L. Richardson" <mlr52-at-michaellrichardson.com> Re: [NYLXS - HANGOUT] tracking mail
  44. 2008-12-17 From: "Michael L. Richardson" <mlr52-at-michaellrichardson.com> Subject: [NYLXS - HANGOUT] Microsoft issuing emergency fix for browser flaw
  45. 2008-12-17 Mark Halegua <phantom21-at-mindspring.com> Subject: [NYLXS - HANGOUT] Problems with Groklaw?
  46. 2008-12-17 Ron Guerin <ron-at-vnetworx.net> Re: [NYLXS - HANGOUT] tracking mail
  47. 2008-12-17 GUCCI <ruben-at-mrbrklyn.com> Subject: [NYLXS - HANGOUT] Dear (ruben-at-mrbrklyn.com) December 87% OFF!
  48. 2008-12-17 From: <ruben-at-mrbrklyn.com> Subject: [NYLXS - HANGOUT] Discount ID: 3732
  49. 2008-12-17 GUCCI <ruben-at-mrbrklyn.com> Subject: [NYLXS - HANGOUT] Dear (ruben-at-mrbrklyn.com) December 87% OFF!
  50. 2008-12-18 From: <ruben-at-mrbrklyn.com> Subject: [NYLXS - HANGOUT] Discount ID: 4440
  51. 2008-12-18 Ruben Safir <mrbrklyn-at-panix.com> Re: [NYLXS - HANGOUT] tracking mail
  52. 2008-12-18 GUCCI <ruben-at-mrbrklyn.com> Subject: [NYLXS - HANGOUT] Dear (ruben-at-mrbrklyn.com) December 84% OFF!
  53. 2008-12-18 From: <ruben-at-mrbrklyn.com> Subject: [NYLXS - HANGOUT] Discount ID: 9598
  54. 2008-12-18 From: "Michael L. Richardson" <mlr52-at-michaellrichardson.com> Subject: [NYLXS - HANGOUT] [Fwd: [kde-announce] KDE 4.2 Beta 2 Released]
  55. 2008-12-19 Ruben Safir <ruben-at-mrbrklyn.com> Subject: [NYLXS - HANGOUT] [Fwd: Re: admin question]
  56. 2008-12-19 Ron Guerin <ron-at-vnetworx.net> Re: [NYLXS - HANGOUT] tracking mail
  57. 2008-12-21 Amy Coleman <acoleman-at-mrbrklyn.com> Subject: [NYLXS - HANGOUT] Happy Hanukah!
  58. 2008-12-22 Kevin Mark <kevin.mark-at-verizon.net> Re: [NYLXS - HANGOUT] Happy Hanukah!
  59. 2008-12-23 From: "Beau Gould" <bg-at-capitalmarketsp.com> Subject: [NYLXS - HANGOUT] [JOB] Linux Geek, NYC | 90-100k
  60. 2008-12-25 Amy Coleman <acoleman-at-mrbrklyn.com> Subject: [NYLXS - HANGOUT] Merry Christmas Everyone!
  61. 2008-12-25 mlr52-at-michaellrichardson.com RE: [NYLXS - HANGOUT] Merry Christmas Everyone!
  62. 2008-12-29 Ruben Safir <ruben-at-mrbrklyn.com> Subject: [NYLXS - HANGOUT] Tim Wilcox coming in for a few days
  63. 2008-12-30 Amy Coleman <acoleman-at-mrbrklyn.com> Re: [NYLXS - HANGOUT] Tim Wilcox coming in for a few days
  64. 2008-12-30 Ruben Safir <ruben-at-mrbrklyn.com> Re: [NYLXS - HANGOUT] Tim Wilcox coming in for a few days
  65. 2008-12-30 Ruben Safir <ruben-at-mrbrklyn.com> Re: [NYLXS - HANGOUT] Happy Hanukah!

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