On 22 May 2002, at 14:57, Alan Thew wrote:
> > I think they're just not being an open relay. The SMTP error
> > message was :
> >
> > jose@???
> > SMTP error from remote mailer after end of data:
> > host smtp.katamail.ksmail.it [194.153.172.230]:
> > 553 Authentication is required to send mail as
> > <maria@???>
> >
> > I think the MLM is trying to masquerade itself as the original
> > poster, and thus is being denied. The MLM should change the
> > envelope sender to refer to itself rather than try and leave the
> > original intact.
> >
> We see this now and again from MTAs receiving mail from our MLM. Our
> MLM does not masquerade, the mail from:<...> will be of the form
>
> owner-listname@???
whith yahoo is not the same ... it uses the original poster as the X-
sender and there is no sender . the only clue that is a list is the
Apparently To header !
!
--
Leonardo Boselli
Nucleo informatico e Telematico
Dipartimento Ingegneria Civile
Universita` di Firenze
Via Santa Marta 3
I-50139 Firenze
+39 055-4796-431
+39 348-8605-348
fax 055-495-333
