Dear David Am Montag, 11. August 2003 13:43 schrieb David Blomber:
I was doing some research and am putting up a postfix mail server--when reading up I find that postfix does not allow relaying "except for the local subnet" just a though but as I am going to be nat'ing my ADSL connection doesn't this mean I am an open relay?? just a thought as if this is the case I (and whoever else might have missed it up till now) would need to adjust the postfix config to account for this.
If you are using the subnet of your public ADSL IP this could be the case i think. Anyway - you could restrict relaying to spec. clients (IP/Auth/Certs) in different ways. If you are using internal private adresses (e.g. 192.168.x.x) the ADSL is mostly in a different (sub)net. So your privat subnet cant be used (Your postfix configuration must use private adress-range). Luck Stefan