Thank You Wietse for Your time and patient. I will read RFC first - for now
topic is closed for me.


On Thu, Sep 1, 2016 at 5:14 PM, Wietse Venema <wie...@porcupine.org> wrote:

> Zalezny Niezalezny:
> > Hi ,
> >
> > You suggest to remove sender address.
>
> No, you SPECIFY the null sender address. This concept was introduced
> more than 30 years ago. The current definition is in RFC 5321.
>
> With the SMTP protocol:
>     MAIL FROM:<>
>
> With the Postfix sendmail command:
>     sendmail -f '' recipients...
>     sendmail -f '' -t
>
>         Wietse
>
> >
> > MfG
> >
> > Zalezny
> >
> > On Thu, Sep 1, 2016 at 4:19 PM, Wietse Venema <wie...@porcupine.org>
> wrote:
> >
> > > Zalezny Niezalezny:
> > > > Hi,
> > > >
> > > > just a short question, is there any possibility in Postfix to control
> > > which
> > > > E-mail should be bounced and which not ?
> > >
> > > Postfix implements RFC 5321. If an email message has the null envelope
> > > sender address
> > >
> > >         MAIL FROM:<>
> > >
> > > then that email message will not result in a non-delivery notification.
> > >
> > >         Wietse
> > >
>

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