> -----Message d'origine-----
> De : /dev/null [mailto:[EMAIL PROTECTED]
> Envoy=E9 : mardi 19 avril 2005 12:00
> =C0 : xmail@xmailserver.org
> Objet : [xmail] Re: AW: Re: AW: Bind sending IP ?
>=20
>=20
> Greetings,
>  Actually the only way to get around the AOL thing (and=20
> others) is to be
> able to *authorativly* answer for the IP to NAME matching. In=20
> other words;
> having a Name Service (Domain Name System) running that can answer =
the
> querries from AOL and anyone else trying to filter spam from=20
> their mail
> servers/ Customers. This is the only way to get past the problem you
> originally mentioned you were having. Your "routing"=20

Correct

> situation stems from
> the GW (gateway) IP. That is the lowest IP (1 in this case)=20
> *must* be your
> gateway in almost any situation. It is more of the way networking is
> designed than an "OS" situation. It is all calculated=20
> mathematically. Net
> Blocks are created in such a way that you have "NET" and=20
> "BCAST" numbers
> and you will almost always need to use your Lowest number=20
> "NET" as your
> gateway. Because the Network Protocol is designed to=20
> communicate in this
> fashon, so looks there for that type of information. Hope that helps.

False

Networks Numbers assignements don't fix the ip to use on the gateway.
I personnaly use a ip in the 'middle' of our ip block and this is =
correct.
I too use another 'middle' ip for my smtp server.
I just have to create a good PTR entry for it to pass aol and other =
rdns
checks ...
Use of the first or last ip available in a block (except broadcasts) is =
just
a 'convention'.

Francis



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