Great Circle Associates Majordomo-Users
(July 2003)
 

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Subject: Re: Avoiding mailloops
From: Kirk Bailey <idiot1 @ netzero . net>
Organization: Silas Dent Memorial Cabal of ERIS Esoteric and hot dog boilingsociety
Date: Thu, 10 Jul 2003 18:46:38 -0400
To: susan barnes <s . barnes @ uni-koeln . de>
Cc: majordomo-users @ greatcircle . com
References: <149580000.1057854482@blackbird.rrz.Uni-Koeln.DE>
User-agent: Mozilla/5.0 (Windows; U; Win98; en-US; rv:1.0.1) Gecko/20020823 Netscape/7.0

Susan, did you save any? could I see the headers please?

susan barnes wrote:
> Greetings,
> 
> Last night one of our majordomos got caught in a kind of mailloop, when 
> someone tried to query majordomo using a sending address serviced by an 
> autoresponder.
> 
> Each Email hitting said account would trigger one of these 
> We-will-answer-your-email-later messages, which caused majordomo to send 
> its helpfile once again, which would trigger....
> 
> 3000 Mails and 30 MB later I stopped the loop using the Mailservers 
> AccessDB.
> 
> 
> We use Majordomo 1.94.5  and sendmail 8.12.9/8.12.8
> 
> 
> I am wondering if there is anything to avoid this situation?
> 
> Things I thought about:
> 
> Giving majordomos outgoing administrative mails a reply-to header 
> pointing to majordomo-owner(I do not like that, for quite a few 
> mailinglists are open+confirmed and half of the confirmation mails will 
> then go to majordomo-owner)
> 
> Incorporate another sanity-check, so mails with
> Return-Path: <>
> in their headers, do not get processed.
> 
> It would be nice if majordomo could act similar to a (wellbehaved) 
> vacation, sending out a Maximum of X messages to a single recipient and 
> resetting the counter every hour or so.
> 
> (All this should only affect the majordomo results mails, not the list 
> traffic)
> 
> 
> Ideas anyone?
> 
> Thank you for your input.
> 
> 
> Susan Barnes
> 
> 
> Susan Barnes <S.Barnes@rrz.uni-koeln.de>
> Zentrum fuer Angewandte Informatik - Universitaetsweiter Service RRZK
> Universitaet zu Koeln / Cologne University        - Tel:0221-478-5594
> 


-- 

end

Cheers!
         Kirk D Bailey
                               think
http://www.howlermonkey.net/ +-----+ http://www.tinylist.org/
http://www.listville.net/    | BOX | http://www.sacredelectron.org/
                              +-----+
"Thou art free"-ERIS          think    'Got a light?'-Promethieus

Fnord.



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From: Kirk Bailey <idiot1@netzero.net>
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From: susan barnes <s.barnes@uni-koeln.de>
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From: "s. barnes" <s.barnes@uni-koeln.de>
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