Blocking Delivery Status Notifications?

[Remco Barendse]

Strange, because this domain does make these messages bounce.

For privacy reasons I still would like to be able to block these buggers
from leaving our server nontheless (it's very embarassing if
someone calls and a colleague says that you are out of the office for the
day and the person who called sends an e-mail instead which then returns
a 'Your message has been read by' DSN message :( which makes you explain
why you wouldn't take the phone).

Is there any way I can help, I would be happy to put some
time in it, but I haven't done any perl programming before.

Think it will make a nice privacy protection option for MailScanner :)

Maybe it isn't even too difficult? Was thinking of making a perl script
that would scan every message by looking at the originating domain and for
a set of pre-defined phrases as they appear in the DSN messages.
MailScanner could call the perl script as if it were an additional virus
scanner? It's not the prettiest way but would do the job :)

Remco Barendse


On Thu, 17 Oct 2002, Julian Field wrote:

> At 09:00 17/10/2002, you wrote:
> >On Wed, 16 Oct 2002 09:47:11 +0200, you wrote:
> >
> > >Hmmm I now even get bounced messages from spammers that
> > >request a delivery notification in their e-mails but then reject receiving
> > >it...
> > >
> > >Anyone having problems with DSN's or is it simply something that is
> > >allowed on most sites?
> > >
> > >
> > >   ----- The following addresses had permanent fatal errors -----
> > ><rosana.cusnir at tecnipublicaciones.com>
> > >    (reason: 550 Sorry, this server is configured to refuse this sort of
> > >mail (to combat the SPAM problem))
> >
> >They probably refused the MAIL FROM: <>. You can ofcourse nominate them
> >at rfc-ignorant.org.
>
> The messages back to senders are sent from "<>" so that the warnings don't
> end up bouncing back to your postmaster.
> --
> Julian Field                Teaching Systems Manager
> jkf at ecs.soton.ac.uk         Dept. of Electronics & Computer Science
> Tel. 023 8059 2817          University of Southampton
>                              Southampton SO17 1BJ
>
>