Blocking Delivery Status Notifications?

[Julian Field]

At 11:38 15/10/2002, you wrote:
>Isn't it possible to have MailScanner reset the DSN flag in the envelope
>as an option ? (Maybe grep and delete the DSN enabling part)?
>
>It's very annoying that people from outside can see who / when reads their
>e-mails especially with e-mails that are quitly forwarded to laptops  or
>mobile phones! Think other ppl must have this problem as well?

But that's the whole point of using DSN's. They are there so that the
sender is notified if there is a delay delivering their message.

>I have tried to make the modification in the Makefile of the SRPM but this
>is not so easy either.

Read the man page for rpmbuild (or just rpm if you haven't got rpmbuild).
You can do a "rpm -bp" to expand all the source code into
/usr/src/redhat/BUILD. Then go in and tweak the makefile as you need to,
then "rpm -bi --short-circuit" which will do the compilation and
installation without attempting to redo the "-bp" stage.

>On Fri, 30 Aug 2002, Julian Field wrote:
> >  From the Bat Book (O'Reilly sendmail book), if you rebuild sendmail with
> > ENVDEF=   -DDSN=0
> > in your Makefile, it should disable all DSN support.
> >
> > You will probably find your Makefile in one of the obj.* directories in the
> > sendmail build tree. Build it once using the defaults (as that will also
> > create the sendmail Makefile specific to your system), then tweak the
> > Makefile and rebuild just the sendmail binary.
> >
> > At 10:48 30/08/2002, you wrote:
> > >Hi!
> > >
> > >I am using a linux box which is connected to the internet as a relay
> > >to/from an Exchange 2000 server.
> > >
> > >I would like to completely disable (block) all outgoing DSN (Read Receipt
> > >and DSN messages (your message has been successfully delivered to blah
> > >blah).
> > >
> > >Is there a way to reset the flags on the incoming e-mail to prevent
> > >Exchange from sending these messages?
> > >
> > >I tried to disable this 'feature' in Exchange 2000 first but it doesn't
> > >seem possible.
> > >
> > >Also I would like to disable to non-delivery messages. We have lots of ND
> > >messages as a result of spam to invalid e-mail adresses.
> > >
> > >Thanks for any input given!
> > >
> > >Best regards,
> > >Remco

--
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