How to SMTP (Email) Server Fedora 6?

[Les Mikesell]

Mikkel L. Ellertson wrote:
>> And no, relaying for computers on the local network by default is not
>> acceptable, since Red Hat and Fedora cannot tell that a particular
>> computer should relay for other computers on the local network, or that
>> other computers on the local network are even part of the same
>> organisation. (Think hosting companies -- a lot of them offer Red Hat
>> and/or Fedora).
>>
>>
> Add to that the fact that with a firewall/router doing NAT, an
> outside connection that is forwarded to the mail server looks like
> it came from the gateway address on the local network, so it isn't
> hard to end up with an open relay by allowing the local network to
> relay mail.

It is not common for firewalls to NAT source addresses on the public
side.

-- 
   Les Mikesell
    lesmikesell at gmail.com