NAT problem when coming from private network

Taylor Grant gtaylor at
Fri Apr 22 05:39:30 CEST 2005

> at first this is what I thought the solution would be, but Mark Wells 
> said that his mail server is on the same subnet as the client machine 
> ( and so why can't the mail server 
> communicate directly with the client machine? so packet go from client 
> to firewall and are redirected to the mail server.. then the mail server 
> will arp for and return packet directly to him). is this 
> not possible?

No, this is not possible because the client will think that it is talking to the firewall and is getting a response back from the mail server which it was not talking to (in the client's mind).

Grant. . . .

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