Re: email gateway (transparent) - full transparent

["Philip Duldig" <maninwhite () tpg com au>]

heya,

have a look here:

http://www.tldp.org/HOWTO/TransparentProxy.html

It is a guide on how to setup squid (or any other server listening on a
given port) for transparent forced port redirection
No need to kernel hack as that great ipchains/iptables/netfilter does it for
you!
Joy!

You should be able to employ the method in this HOWTO to email filter
redirection for your MTA and any other caching, filtering, etc daemons that
you wish to force traffic through.

If your interested in a heavier squid filter check out
http://dansguardian.org/ -- Free squid filter with phrase parsing and I use
the http://www.squidguard.org/blacklist/ blacklists at work (Primary School
ages 5 to 12)

Hope this helps!

Philip Duldig

> The result in relaying is 100% accurate, but spam is comming from time to
> time ( eg. V1@GRA).
>
> But where my problem is:
> My problem is with my local users (about 3k LAN users in about 500
> buildings), they send spam (viruses, worms etc) not using my MTA.
> I'm looking for transparent method (like redirect for transparent-proxy
> w3cache, squid) to force traffic on port 25 to go via my MTA.
>
> Do you have any ideas or experiences with that ?
>
> I thought about writing own code for that, but im far far away from that
> (begging with C proggramming and kernel hacking), instead i'm good in
mixing
> every working capabilities wich are accessible and done before by somebody
> else ;)
>
>
> BTW.
> Well, if somebody is wondering how such LAN can work with linux routers +
> sql_db + local_scripting + php + bash = CRM and NETWORK_ADMINISTRATION,
> BILLING_SOFTWARE, AUTOMATIC_EMAIL_OFFICE visit my own software (sorry -
but
> is not in english and has 1mega pictures) http://nsm.pl/~arek/superedit .
> I'm interested in sharing my soft for development purposes or any other.
>
>
> Arkadiusz Binder



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