Mail Proxy

[Noel Sant]

I have a small home network which has a couple of Windows workstations 
and a Linux server for the internet which I am just setting up. I have 
installed Red Hat Linux 8.0 and have managed to connect to the internet, 
and, using Squid as a proxy, can connect to the web from the Windows 
PCs. But emails and an application that checks a time server don't get 
through.

I can get and send emails from the Linux box (using Mozilla) but not 
connect to a time server. I assume that the lack of access to the time 
server is due to the firewall (I used lokkit to set up a medium 
firewall) and I have a look at letting ntp through that. Though any 
quick fixes, or ideas for a better configurator than lokkit would be 
gratefully received.

But what can I do about mail? The Squid web site warns you not to open 
up the smtp and pop ports because of the danger of being used as a spam 
relay. There were dark mutterings about being sent to a black hole! I 
did try it, of course, but it didn't work anyway.

So do I need a separate mail proxy program? If so, what do people 
recommend? And are they secure, vis-a-vis spam relaying?

I'd be grateful for any thoughts,

Noel Sant

P.S. And does anyone know how I can get two dots over my "e", using 
Mozilla? It's easy with Microsoft.



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