On Wed, 23 Mar 2005 18:00:59 +0000, Carlos Rosário
<carlos dot rosario at netcabo dot pt> wrote:
> Hi all,
> 
> I have 2 mail servers in an ADSL Link with 2 public IP adresses serving
> email to 2 diferent domains.
> I've configured 1 public IP in Server NAT and an SMTP rule in NAT for
> mail to be delivered to the mail server of  domain A. For the other
> public IP, i've configured  an SMTP NAT rule for mail to be delivered to
> the mail server  of domain B. All inbound and outbound mail delivery
> works, except when a user of domain A, sends e-mail to a user of domain
> B, or vice-versa, mail isn't delivered. I think this has something to do
> with accessing NATed Services from the LAN segment, i'm not sure.
> 
> Is there a workaround to solve this?
> 

No need to repost the same question, you already got the right answer.  
http://m0n0.ch/wall/list/?action=show_msg&actionargs[]=150&actionargs[]=04
http://m0n0.ch/wall/list/?action=show_msg&actionargs[]=150&actionargs[]=03

-Chris