Re: Versions of KA9Q that do not relay

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From: Graham E Kinns
Date: Tue, 23 Nov 1999 00:00

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In article <mot6soKhwcO4EAfo@turnpike.com>
           richard@turnpike.com "Richard Clayton" writes:

>I understand some versions of KA9Q have inbuilt schemes/commands to
>prevent unauthorised SMTP mail relaying (this can only be achieved on
>the Demon version by complex rewrite files).
>
>Some pointers to these versions would be helpful.

It's a couple of years since I last looked in any detail but when I 
added it to GremNOS, I couldn't see anything similar in any of the 
other variants.

The source should still be on ftp://copper.cauldron.org and also at
http://www.grempc.demon.co.uk/ka9q/download/gnos-02s.zip

The relaying is controlled in smtpserv.c by smtp_relay being set from 
'smtp server relay [on|off]' - it relies on validate_address()
returning DOMAIN for non-local addresses.

The same feature is also now in YAN - www.isis.ukgateway.net

Cheers, Graham.
-- 
Graham E. Kinns
Graham@grempc.demon.co.uk

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From: Graham E Kinns <Graham@grempc.demon.co.uk>
Subject: Re: Versions of KA9Q that do not relay
Date: 1999/11/23
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