One options is if your NAT supports port forwarding.  Any SMTP requests are
forwarded to your internal e-mail server.  Otherwise you will need another
IP address.

Keith Townsend
MCSE, CNE, CCNA
Townsend Consulting

www.townsendconsulting.com
""Jon"" <[EMAIL PROTECTED]> wrote in message
985rti$ikl$[EMAIL PROTECTED]">news:985rti$ikl$[EMAIL PROTECTED]...
> Stupid question:
> 2 connections. S1/0 to frame-relay to branches. S1/1 to ISP.
> S1/1 uses Nat with overload. If I have an email server within my internal
> network, how can I get it to send/receive messages with ISP through the
NAT
> interface? Will I have to set up another outside address just for this
> server? How will email messages come through the NAT to get to the server?
>
> Thanks
>
>
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