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Date:      Mon, 25 May 1998 08:11:06 -0700 (PDT)
From:      "Jonathan M. Bresler" <jmb>
To:        kpielorz@tdx.co.uk (Karl Pielorz)
Cc:        isp@FreeBSD.ORG
Subject:   Re: SMTP Relay probing - Should I follow up - advice?
Message-ID:  <199805251511.IAA02882@hub.freebsd.org>
In-Reply-To: <35695091.FE0ACF50@tdx.co.uk> from Karl Pielorz at "May 25, 98 12:05:53 pm"

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Karl Pielorz wrote:
> Hi All,
> 
> This isn't strictly FreeBSD relates, but it is very ISP related...
> 
> I've just checked through my morning security logs, and suprise, suprise our
> entire address space was scanned again lastnight for SMTP relays... Theres
> loads of firewall logs for SMTP connects to machines we don't allow SMTP to,
> and on the machines we do allow SMTP to - in the logs are loads of sendmail
> catches for 'Relaying Unavailable' (the message we send to people trying to
> relay)...
> 
> My question is - I have the IP address these came from, they are a Spamming
> Company by the look of it, and to be honest I'm sick of this sort of
> thing...
> 
> Is it worth me mailing the people? - Or should I just be grateful we weren't
> used as a relay and let them be?
> 
> I'm just annoyed a company that obviously has set out to specialise in
> spam/electronic mailing lists doesn't even use it's own servers to send the
> damned stuff out...

	why dont you tell su where the scans came from
	we can all block connects from that range of ip addresses,
	if it proves to be a spammers dedicated ip address range
jmb

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