OK,

THanks for the prompt answer.
I was starting to image about the rfc.
     But here I need a decision, if to stay
     with postfix or go back.. (I am migrating)

Is there any way to let these messages pass ...
I checks the logs of the old mailrelay, and there will be 50 emails/day with
such NOTIFY=FAILURE.
So I am afraid that someone (boss) will say .. we are losing emails and
postfix is not supporting DSN, bad luck..
But is sendmail supporting it or it just silently pass the email ?

please another little help.

brian moore wrote:

> On Tue, Apr 16, 2002 at 09:39:19PM +0200, Marco Bano wrote:
> > Hello,
> >
> > I am having email sent to postmaster saying that certain emails are not
> > accepted:
> >
> > RCPT To:<lxxxxepo.org> NOTIFY=FAILURE
> > Out: 555 Unsupported option: NOTIFY=FAILURE
> >
> > I search in all the maillist for postfix, but no reference to it.
> > I upgrade to the latest 1.1.7 but the same result.
>
> Postfix doesn't support DSN's. Why is someone trying to force it to?
>
> > Anybody else have the similar problem ?
> > This means that postfix cannot relay such emails ? And that emails will
> > be lost?
>
> Someone is trying to convince Postfix to send a Delivery Status Notice
> if mail fails delivery. This is stupid for a couple reasons:
>
> 1) NOTIFY=FAILURE doesn't grant you anything except, perhaps -not-
> being notified for a delay. ie, you DO get a notice when mail
> isn't deliverable already. What the hell is the point of asking
> for a bounce?
> 2) If the client above had half a clue, it would have noticed in the
> response to the EHLO that DSN was -not- listed as available, and
> would not insist on using it. The client is broken.
>
> > I don't want to go back to sendmail for such emails...
>
> Fix the other side of the above conversation.
>
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