On Thu, Nov 02, 2000 at 01:17:21PM +0100, Peter Palfrader wrote: > Hi! > > On Thu, 02 Nov 2000, Borut Mrak wrote: > > > On Thu, Nov 02, 2000 at 02:24:36AM -0900, Ethan Benson wrote: > > > so my question now is postfix a open relay by default or not? > > > > No. > > It is. For a (not so) small set of hosts. Assuming your box is 62.1.2.3 you > will be an open relay for the entire _class_A_ net 62. > > If you do not set mynetworks postfix guesses it from the interfaces and allows > all hosts on the classful subnets of those interfaces to relay through you. ah! i see didn't think of that one... so you need to specify mynetworks with the correct subnet. -- Ethan Benson http://www.alaska.net/~erbenson/
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