At 12:50 pm +0200 2004/10/02, Reinhard Haller wrote: > >If your smarthost does indeed perform recipient callout and requires
>>AUTH for you to relay, then I don't know what you can do (unless you
>>can bypass the smarthost).
>
>the ISP hosts a lot of domains, which send us spam with faked
>addresses.
>The callout verification is done based on sender domains.
do you mean that these faked addresses are in domains hosted by your
ISP (the one requiring AUTH)? You should be more precise.
