Blocking Delivery Status Notifications?

[Remco Barendse]

Hi!

I tried this, I know it's possible by recompiling sendmail.

Unfortunately recompiling sendmail on a redhat box with non standard
options is a tedious task. I've been at it for a couple of days but
couldn't get sendmail to recompile properly :( I also tried upgrading
sendmail to the latest sendmail from redhat 8 on my redhat 6.2 box but
ended up trying to solve 1000 dependencies and eventually gave up.

Also this would probably break the non-delivery reports for unknown/wrong
mail adresses. Ideally we would prevent all read/not read and
succesfully delivered to messages from our domain to get to the outside
but do allow them to come in.

In my view it really is serious invasion of our privacy that oneone on
the outside can see to whom e-mail gets delivered and who reads it when. I
won't even bother asking Micro$oft to do anything about it, security and
privacy are non-issues there but hey, that's why we use MailScanner :)


On Wed, 23 Oct 2002, Peter Peters wrote:

> On Tue, 22 Oct 2002 16:08:20 +0200, you wrote:
>
> >Unfortunately this isn't of much use because we might want to send out
> >NDSR's but if we allow all delivery-status messages this would also allow
> >for the succesfully delivered messages.
>
> I tought about another possiblity. Requestes for DSN's are forwarded
> from one mailserver to the next untill one server doesn't support DSN's.
> Usually the mailserver before that returns a message like "this is the
> last server supporting DSN. Don't expect any more messages". You could
> instruct your incoming mailserver (unix running sendmail and
> mailscanner) to not support DSN.
>
> --
> Peter Peters
> senior netwerkbeheerder,  Centrum voor Informatievoorziening,
> Universiteit Twente,   Postbus 217,  7500 AE  Enschede
> telefoon: +31 53 489 2301, fax:+31 53 489 2383, http://www.utwente.nl/civ
>
>