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Date:      Mon, 14 Dec 1998 10:56:23 -0800 (PST)
From:      David Babler <dbabler@Rigel.orionsys.com>
To:        Kevin Day <toasty@home.dragondata.com>
Cc:        freebsd-isp@FreeBSD.ORG
Subject:   Re: sendmail morons
Message-ID:  <Pine.BSF.4.05.9812141052240.19642-100000@Rigel.orionsys.com>
In-Reply-To: <199812130603.AAA14915@home.dragondata.com>

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On Sun, 13 Dec 1998, Kevin Day wrote:

> 
> Somehow, we're on some spam software's list of open relays, I think. We
> aren't open to relaying, but people sure try. 
> 
> I'm guessing this is a bug in the software, but... when it can't relay, it
> leaves the connection open, then goes and tries again, and again.....
> 
> root     14170  0.0  1.2   636  736  ??  I    11:47PM    0:00.02
 sendmail: server guy78@van-wa1-17.ix.netcom.com [205.184.177.49] cmd read
 (sendmail)

In addition to cutting down the delay time and blocking the IP range as
others have suggested, this is coming from a Netcom dialup in Vancouver,
Washington. There aren't all THAT many dialup ports there, so finding the
clueless moron won't be difficult - call Netcom and report a network
security problem and DoS (which this is) and have the bozo nuked.

-Dave


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