Thank's a lot, I'm working on it and so on sasl support.
Bests,
Pablo

On Sunday 26 July 2009 07:55:38 pm Magnus Bäck wrote:
> On Monday, July 27, 2009 at 00:49 CEST,
>      Pablo Yaggi <pya...@alsurdelsur.com> wrote:
> 
> > On Sunday 26 July 2009 07:19:39 pm Magnus Bäck wrote:
> >
> > > I suggest you use SASL instead of POP-before-SMTP and use the
> > > smtpd_sender_login_maps feature.
> >
> > But I'm running a mass virtual hosting server, if i use authenticated
> > smtp, it will not prevent for external smtp to deliver mail to my users ?
> 
> Only for clients trying to use any of your domains as the sender
> address. This is no different from the policy you're asking about.
> 
> > > But you can do something similar with POP-before-SMTP.
> > > 
> > > main.cf:
> > > smtpd_restriction_classes = permit_pop_before_smtp
> > > permit_pop_before_smtp =
> > >         check_client_access hash:/etc/postfix/pop-before-smtp
> >  
> > > smtpd_sender_restrictions = check_sender_access hash:/path/to/file
> > > 
> > > /path/to/file:
> > > example.com     permit_pop_before_smtp, reject
> > > 
> > > example.com is a domain that you want to protect from non-POPed
> > > clients.
> >
> > This will prevent anyone how tries to send mail to example.com need to
> > be authenticated, but external smtp needs no authentication.
> 
> No, it will prevent anyone to send FROM your domain with prior
> authentication.
> 
> [...]
> 

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