Yahoo and their mail filters..

Micheal Patterson micheal at spmedicalgroup.com
Wed Feb 25 12:31:16 CST 2009



----- Original Message ----- 
From: "Barry Shein" <bzs at world.std.com>
To: <stefan at csudsu.com>
Cc: "Suresh Ramasubramanian" <ops.lists at gmail.com>; "Micheal Patterson" 
<micheal at spmedicalgroup.com>; <nanog at nanog.org>
Sent: Wednesday, February 25, 2009 11:58 AM
Subject: Re: Yahoo and their mail filters..


>
> On February 25, 2009 at 04:26 stefan at csudsu.com (Stefan Molnar) wrote:
> > For our userbase with yahoo/hotmail/aol accouts they hit the spam 
> > button more often than delete.  Then complain they do not get emails 
> > anymore from us, then want discounts on a bill of sale they missed. 
> > It is a never ending story.
> >
>
> I realize this is easier in theory than practice but I wonder how much
> better the whole AOL (et al) spam button would get if they ignored the
> spam button unless two (to pick a number) different customers clicked
> the same sender (I know, forged sender etc but something like that) as
> spam in a reasonably short amount of time like an hour or a day at
> most.
>
> I know of the 99.99% false positives I get I am pretty sure if the
> threshold were two related complaints it'd get rid of, well, probably
> 99.99% of them (percentages not scientifically accurate!)
>
> Ok, that's not an algorithm but I hope you see my point.
>
> My point is that what makes spam "spam" is not that some one clicks a
> spam button, it's that more than one person, and just two might be a
> sufficient threshold in practice, believes it's spam. At least from
> the POV of a network operator trying to id spam sources from spam
> button clicks.
>
> If they ever get it down to fretting about spams really sent to only
> one AOL (et al) customer then one could revisit this idea.
>

Barry, there's also the honest accidental emailings that are being 
clicked as spam as well. In the days of old, spam was unsolicited bulk 
email. The problem that I see currently is what is Sally in Florida is 
sending mail to joe at thisdomain.com, hosted by yahoo, when they should 
have sent it to jjoe at thisdomain.com or joel at thisdomain.com and the 
recipient clicks it as spam. Bam, Sally's now a spammer in the eyes of 
yahoo.

This is not much different in practice than what Spews used to do. Blow 
out an entire /16 to stop what they "percieved" as spam from someone 
deep in the trenches, without very little recourse to remove yourself 
from the axe path unless you switched providers.

--

Micheal Patterson 





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