Urgent help needed...please!!

[kfliong]

I am already doing that but it didn't help. Cause the bounced back
servers are all random....and a lot of them are not in dsbl.

I am already using spamhaus and dsbl at MTA level.


On Mon, 27 Sep 2004 12:06:24 +0200 (CEST), Raymond Dijkxhoorn
<raymond at prolocation.net> wrote:
> Hi!
>
> > all are undelivered mails send back to us but in the first place, we
> > did not sent them out. Someone is masking as our domain and sending
> > out spams. Cause the mails that get delivered back is sent to email
> > accounts that does not exist. Mailscanner is able to filter them but
> > not fast enough as the mails comes in splitseconds. I am having like
> > 1000 mails in queues after 10 minutes of starting mailscanner.
> >
> >
> > Anyway I can filter this at MTA level? Or can i set sendmail to reject
> > mails that have "blank" from field?
>
> You can use RBL's to filter on MTA level, have a look at www.dsbl.org for
> example.
>
> Bye,
> Raymond.
>

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