Re: [Exim] Problem with relaying

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Autor: Nico Erfurth
Data:  
A: Tony Earnshaw
CC: Exim Users
Assumpte: Re: [Exim] Problem with relaying
Tony Earnshaw wrote:
> tir, 08.04.2003 kl. 13.55 skrev Nico Erfurth:
>
>
>>>A machine from the internet is able to connect to my mailserver, give a from
>>>address that appears to be from my local domain and can send to anywhere
>>>else on the internet, thus making me an open relay of sorts.
>>
>>So, you're one of these guys who allows relaying by domain?
>
>
> Nothing wrong with this, as long as helo_verify_hosts and/or host_lookup
> is specified (prior to the ACLs kicking in)? O.k., if reverse DNS
> doesn't work for the machine in question then hard luck - or set up a
> junk host list. But the alternative is authenticating and that's not
> always possible.


Tony, keep your english sarcasm for yourself ;)

Nico