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Le 04/10/2010 23:16, Alfonso Alejandro Reyes Jimenez a écrit :
> Thanks for your help, right now we use sasl auth and Works very good.
> If the setup for example a gmail account and the change the gmail
> address for some user on the postfix domain, postfix delivers that email.
> I don't want to accept emails from our domain in our server if they
> don't belong to my networks or they are authenticated.
> For example if you setup you outlook to send an email from
> firstname.lastname@example.org <mailto:email@example.com> using gmail as smtp relay, I
> want my postfix to drop that email because it is coming from other
> smtp server.
> I hope this example helps.
I already answered your question. reread my post and go at the end
(bottom) of the message.