Jus an other idea:
You can recieve all mails in your first server, and then forward your
3rd domains mails to your alternative server.
This can be done easilly, just setting some dns´s and rcpthosts registries.
With this schema, you only need one IP and one port.
Salutti,
Natalio.
On 5/10/06, Jake Vickers <[EMAIL PROTECTED]> wrote:
Ole J wrote:
> Hello,
>
> The autentication by PPPoE is done by the router, you could either do
> as you suggested
>
> Get a router whois capable for multiple DMZ static IP adressing & NAT
> translation.
> The router you need is similar to the 3COM Office connect 25.
> This router is discontinued but i am sure they have another appliance
> who has the same spesification.
> 25 means only 25 users (mac's) can use the router as gateway to
> internet/lan.
> This router you can add DMZ range of IP's or one by one .
> Here you can read more about this Internet Firewall /slash/ router.
>
http://www.3com.com/products/en_US/detail.jsp?tab=features&sku=3C16770-US&pathtype=purchase
>
> Such routers are intended for business enviroments and can be
> expensive, my guess around $500USD ++
>
> Or
>
> Add a switch between the modem & the router(s), connect multiple
> router with their own unique IP adresses with able to authenticate PPPoE.
> Tends to be alot of wiring mess ;) but can be cheaper, thou more power
> consuming and general heating ( if you have a smaller room for your
> equipment )
> Test this setup first before any major purchase, some ISP may block
> unknown mac's.
> In some modems, you may have to change the modem setting to
> "bridgeing", usual in newer modems with builtin switch/firewall/router.
>
Another method would be to put together another computer (doesn't have
to be anything terribly special), and install IPCop (ipcop.org) or
Endian (efw.it) on it. They allow you to have multiple public IP
addresses on the machine, and you can do custom routing:
If a connection comes to port 25 on IP 72.168.255.255 forward it to
192.168.1.3
If a connection comes to port 25 on IP 73.169.255.255 forward it to
192.168.1.4
Or however you want to route it. Also provides a good firewall, snort,
VPN capabilities, etc.
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