Mail server with port-blocking ISP (Was: Re: Looking for cla…

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Author: David Bendit
Date:  
To: Main PLUG discussion list
Old-Topics: Re: Looking for classes and advice
Subject: Mail server with port-blocking ISP (Was: Re: Looking for classes and advice)
On Feb 25, 2007, at 9:44 PM, der.hans wrote:

> Set up and
> run your own mail server and web server. Learn how to keep your own
> firewall secure and how to subnet your network for servers on one
> side and
> desktops on the other. If you only have two boxes, setup virtual
> interfaces and pretend :). If you only have one box, setup virtual
> interfaces and pretend even more.


Actually, I've been wondering about this for a while, and I've never
found a way to do it. Is there a way to run a mail server on a
standard account (non-business) with a port-blocking ISP? I'm going
through Cox, and they block all the fun ports (80, 25, and a bunch
more). I've even been able to set up postfix before, but only for
intra-network mail. To get mail out, I had to use a relayhost, and
the only way I could find to get mail in always involved a forwarder.
However, with the forwarder, most spam blocking measures
(greylisting, RBLs, etc.) were rendered useless. If you guys can
offer any tips, that'd be great.

Thanks,
David
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