Re: [Exim] Exim a Open Relay ?

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Autor: Ralf G. R. Bergs
Data:  
A: exim-users@exim.org
CC: reinhard.travnicek@x-tech.at
Assumpte: Re: [Exim] Exim a Open Relay ?
On Tue, 23 Jul 2002 15:04:26 +0000, Reinhard Travnicek wrote:

[...]
>Unfortunately someone figured out the exim doesn't handle
>Email to: user%otherdom.com@??? correct
>
>If the sender is faked to relaytest@??? and the receipient is
>user%otherdom.com@??? the mail is forwarded to the internal server.
>
>The internal server (not doing any relay checking at all) just sends the
>mail out to user%otherdom.com with a sender relaytest@???
>
>Is there a way ? Maybe a filter to stop a message already on the Exim ?


Have a look at the "percent_hack_domains" option (present in Exim 4.xx, but I
know for sure that Exim 3.xx also had a similar or even the same option.)


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