Great Circle Associates List-Managers
(January 1999)
 

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Subject: Re: How do AOL's spam filters work?
From: Alan Thew <Alan . Thew @ liverpool . ac . uk>
Date: Wed, 27 Jan 1999 19:27:11 +0000 (GMT)
To: list-managers @ greatcircle . com
In-reply-to: <Pine . LNX . 4 . 05 . 9901271318471 . 28218-100000 @ hamjudo . com>

Ignore me, AOL's fine(ish). It wasn't our server but AOL appear to barf
on broken MIME headers....

-- 
Alan Thew                                       alan .
 thew @
 liverpool .
 ac .
 uk
Computing Services,University of Liverpool      Fax: +44 151 794-4442

On Wed, 27 Jan 1999, Paul Haas wrote:

>I've had second hand experience with one of the AOL spam filters. I don't
>want to publish "how to avoid AOL spam filters" to list-managers list,
>unless its a filter that would tend to affect many legit lists. I imagine
>that Alan hit some other filter rule.
>
>As Chuq pointed out, if the AOL filters hit many lists, we would have
>heard about it.
>
>On Wed, 27 Jan 1999, Chuq Von Rospach wrote:
>
>> At 3:10 PM +0000 1/27/99, Alan Thew wrote:
>> > I assume that you are suggesting that it's `my fault' ...
> 
>> Nope. Only pointing out that I'm not having any problems, and I'm a 
>> high-volume deliverer to AOL.
> 
>> But, IMHO, if problems to AOL were fairly generic, there'd be lots of 
>> complaints to the list managers lists about them, because it IS a 
>> place where lots of subscriptions come from.
>
>A friend ran into an AOL email eating problem.  An AOL Postmaster
>eventually described the rule that caused the problem.  He sent his
>newsletter to many recipients with the To: line pointing back to himself.
>So From:, From and To: were all the same address.  All the AOL recipients
>were Bcc:'d.  Addressing the email to someone else fixed the problem.
>
>I personally have had no problems, he just cc:'d me on some of the stuff
>tracking the problem down.  He was not using any sort of formal mailing
>list package.  I guess he accidentally ended up using a scheme similar to
>what many spammers use.  Looking at the spam in my inbox, I did see some
>SPAM that would have been eliminated and no legit messages.
>
>


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