Re: [EXIM] Spam fighting that works

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著者: Peter Galbavy
日付:  
To: Christian Dysthe
CC: jpburnham, exim-users
題目: Re: [EXIM] Spam fighting that works
On Fri, May 21, 1999 at 09:09:29AM -0500, Christian Dysthe wrote:
> I have no cluse what is wrong with bcc. I have gotten an off list mail
> that talks about this also. I am a normal computer user. One of those
> new Linux users that want an OS that do not crash. I use the features
> that come with a mailer. bcc is one of them.


An OS that doesn't crash ? Where ? :)

> As "radical" idea: What if an ISP offered users as an option to only
> receive mail specifically addressed to them? They could have a web form
> where the users could put in (and remove) the exceptions they wanted
> like for mailing list. Shouldn't be too hard to do if the ISP used
> exim? I would have used this if my ISP had offered it. Would most
> certainly make life harder for spammers if it got widespread.


It would make an interesting USP if it could be economically
implemented, but at my previous employer we tried to implement a
server-side anti-samming service, but the technical and >legal<
issues meant that apart from some selected volunteers, it never saw
the light of day.

Even if we ignore the legal issues of liability if your system gets it
wrong (whether though a design or implementation or marketing flaw),
the technicailities of deciding, even recommending, what constitutes
e-mail destined specifically for you as opposed to unsolicited spam
is probably impossible. To acheive a near-hit is feasible, but is
not likely to be good enough for most of your users.

Filtering in the MUA is a better place for all this, including exim's
local delivery filters.

Regards,
--
Peter Galbavy
Knowledge Matters Ltd
http://www.knowledge.com/

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