Author: Nico Erfurth Date: To: Tony Earnshaw CC: Exim Users Subject: 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.
