Re: [Exim] Relay Attack help

In response to Iain Gray:

> I have a suspicion that the spammer is just faking the Reply-to and From
> headers. Is this right?

Yes. We see it all the time.

> And if so how do we stop this?

You don't. 8-((

You could try complaining to all the intermediate ISPs but this is a
network abuse issue and nothing to do with Exim. If you contact me
privately I may be able to comment more on the abuse issue.

Gyan Mathur, Demon Internet Nederland.