On 4 February 2010 21:10, Jacopo Cappelli <jacop...@gmail.com> wrote: > I have three postfix as relay server on the dmz, and one exchange into > the inside that collect and distribute the mail... > We need to activate the smtp authentication on Exchange, but if we do > this the relay cannot send the mail to the exchange. > I need to activate the authentication between Postfix and Exchange. > It's possible? There is some page of manual that explain this?
You want Postfix to perform SMTP Auth when it connects to the Exchange server, to relay mail? You probably want this: http://www.postfix.org/SASL_README.html#client_sasl
