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
