* Alumno Etsii <todos.somos...@gmail.com>:
> 2012/10/1 Ralf Hildebrandt <ralf.hildebra...@charite.de>
> 
> > * Alumno Etsii <todos.somos...@gmail.com>:
> >
> > > client.devels.es exists (and resolves), but root@client.devels.esdoesn't
> >
> > $ host client.devels.es
> > Host client.devels.es not found: 3(NXDOMAIN)
>
> Well, I meant in the local 'mail' server, it actually resolves. Or does it
> HAVE to exist the DNS registry by imperative?

If you want to send outside your own domain, yes. Since (almost) everybody
checks if the sender domain is valid. After all, one cannot reply
otherwise...

-- 
Ralf Hildebrandt
  Geschäftsbereich IT | Abteilung Netzwerk
  Charité - Universitätsmedizin Berlin
  Campus Benjamin Franklin
  Hindenburgdamm 30 | D-12203 Berlin
  Tel. +49 30 450 570 155 | Fax: +49 30 450 570 962
  ralf.hildebra...@charite.de | http://www.charite.de
            

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