Lähettäjä: Dave C. Päiväys: Vastaanottaja: Jeffrey Goldberg Kopio: michael, exim-users Aihe: Re: [Exim] Under attack: discarding mail.
Er.. How about receiver_verify, so that you don't accept messages that
are destined to nonexistent accounts in the first place?
On Tue, 6 Feb 2001, Jeffrey Goldberg wrote:
> On 6 Feb 2001 michael@??? wrote:
>
> > > Now some "@@@@@"fellow is spamming to some [invalid]
> > > address giving as sender random usernames in one of my hosts.
> > > This led to this annoying effect, that is a lot of frozen message ....
> > > Any idea on avoiding this ?
> >
> > A frozen message usually indicates that you have a serious configuration
> > problem, that should be fixed.
>
> Yes. Some spammers legs should be broken. The problem is that some
> spammer sends mail with a forged envelope from of say,
> suzy1234@???. Spam with that sender goes to thousands of
> addresses, many of them don't work. The bounces then go to
> suzy1234@???, but that user doesn't exist on freenet-ag.de.
> Depending on when there is the rejection, freenet-ag.de is stuck with a
> large number of undeliverable error messages. Unless you play with
> ignore_errmsg_errs these will freeze.
>
> -j
>
>