Re: [Exim] Stopping loops

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Autor: Philip Hazel
Data:  
Para: Chris Knipe
CC: Exim Users
Asunto: Re: [Exim] Stopping loops
On Tue, 21 Dec 1999, Chris Knipe wrote:

> Account A forwards mail to Account B, ASWELL as spam@???
> Account B forwards mail to Account A, ASWELL as spam@???


> Or
> is it perhaps allready protected?


If it is forwarding as implemented by Exim, the loop gets broken when
the maximum number of Received: headers is reached.

If it is "forwarding" by creating a new message each time, the loop will
break if the size increases and there is a limit. But hey, if you want
to attack servers this way you can just write a program that spits out
mail. You don't have to be so elaborate.

-- 
Philip Hazel            University of Cambridge Computing Service,
ph10@???      Cambridge, England. Phone: +44 1223 334714.