Thanks for the responses....

As long as this will end eventually, I will weather the storm...

Unfortunately, rejecting the emails is not as simple as I would like - I host 
a number of domains through a mail server sitting in my DMZ - this is just a 
basic anti-virsu/spam server which knows nothing about the users at the 
backend. I know there must be a way of figuring out valid users on the 
backend but it is more hassle than it is worth at the moment.

I'll stick to local filtering with kmail - although kmail does not want to 
automaticaly filter new mail upon arrival, so it is still a manula process/

Martin


On November 21, 2005 09:08, bogi wrote:
> Yep, i will join Dmitry, your domain will not be blocked, the rbls are more
> intelligent than that. you might want to disable the catchall address for a
> few weeks, just to reduce the impact on your server, after all, rejecting
> an e-mail is less of resource hog than accepting it :-)
> Cheers
> Szemir
>
> On November 20, 2005 22:52, Martin Glazer wrote:
> > Hi,
> >
> > About a week ago I started receiving all these undeliverable email
> > messages - turns out that a spammer is using my domain name as the
> > (forged) return address  for spam they are sending out.
> >
> > My server is definitely not sending out the spam and the return address
> > is of the format <some random name>@glazer.ca.
> >
> > I have a catchall address and this is where all these
> > undeliverable/failure/out of office returned emails are collecting.
> >
> > Has anyone experienced this before?
> > Any recommendations on what to do, if anything?
> > Will my domain be listed on RBL lists?
> > Personally I'm hoping that they will eventually move on to using another
> > domain name and these messages will stop.
> >
> > Thanks
> >
> > Martin
>
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