Setting another machine as a firewall

Peter Nyamukusa petern at
Wed Jan 3 04:28:07 PST 2007

On Wednesday 03 January 2007 11:34, Olivier Nicole wrote:
> > i want to set another machine as a firewall for my mail server to prevent
> > receiving huge number of spams each day.
> > so, how shuold i change my DNS to do this ?
Also note that port 25 on the firewall should be open, either accepting email 
as an SMTP Gateway or redirecting incoming SMTP requests on port 25 to your 
mail server.
> Have your MX reccord to point to the firewall mail server.
> But before you do that, you should make sure that the firewall is
> set-up and configured and running.
> Olivier
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Peter Nyamukusa
Systems Administrator
Africa Online Zimbabwe
Tel:    +263-4-250890
Fax:    +263-4-702203
E-mail: petern at
AIM:   petenya

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