Author: Peter Bowyer Date: To: exim users Subject: Re: [exim] bounce messages and their potential misuse
On 30/03/06, Jason Meers <Jason.Meers@???> wrote: > Hi all,
>
> I hope this isn't bad form posting these links on the list, but I think
> some of you may genuinely find this useful.
>
> It poses some interesting questions about joe-job bounce messages and
> their potential misuse to evade _some_ types of spam filters.
>
> The article is here:
> http://www.theregister.co.uk/2006/03/30/joe_job_twist/ >
> This history of the joe-job can be found here:
> http://en.wikipedia.org/wiki/Joe-job
Nothing new here - MTAs shouldn't bounce to unverified sender
addresses - end of story.
