My bad, I misunderstood the question, skimmed to the msg to fast ;-)
Sorry 'bout that As mentioned read the section on mynetworks Regards, Serge Fonville On Thu, Aug 20, 2009 at 3:23 PM, Israel Garcia<igalva...@gmail.com> wrote: > Serge, I mean I'm an open relay to my servers, becasue any user from > any server can send mail putting any sender..I'm looking a way to > block that... > > regards, > Israel. > > On Thu, Aug 20, 2009 at 8:02 AM, Serge Fonville<serge.fonvi...@gmail.com> > wrote: >> Well, >> >> To determine you are an opne relay, there are a couple of things you can do >> Google for open relay check >> From a remote site send an email from another domain to another domain >> through your mail server >> Check your settings agains the manual >> >> HTH >> >> Regards, >> >> Serge Fonville >> >> On Thu, Aug 20, 2009 at 2:54 PM, Israel Garcia<igalva...@gmail.com> wrote: >>> My scenario: >>> >>> I have a lot of postfix servers, each one, use to sent mail directly >>> to internet, so It's difficult to monitor them. >>> What I want? >>> >>> Put all postfix's of my servers to send all their external mail to an >>> smarthost server in my network. I mean, the smarthost must receive >>> ONLY mail from my servers and relay them mail to internet. Remember I >>> have a lot of different servers and domains so I don't know how to >>> configure this smarthost becasuse in some way it's becoming an open >>> relay. >>> >>> My question: >>> How can I setup a secure smarthost to my network that receive mail >>> ONLY from my servers and relay all mail directly to Internet? Include >>> some configuration if possible. >>> >>> regards, >>> Israel. >>> >> > > > > -- > Regards; > Israel Garcia >
