[CentOS] This is a test of Nixnet blocking

[m.roth at 5-cent.us]

John R Pierce wrote:
> On 9/16/2013 1:29 PM, m.roth at 5-cent.us wrote:
>> No. Block domains.
> how?  90%+ of spam has forged FROM addresses.
>From crap in my trash from today:

Received: from [206.214.95.82] (port=57577 helo=03e6231b.buhlgymgagate.us)
     by host290.hostmonster.com with esmtp (Exim 4.80)
     (envelope-from <KohlsGiftCardSurvey at buhlgymgagate.us>)
     id 1VLfOH-0003sR-20
     for m.roth at 5-cent.us; Mon, 16 Sep 2013 14:27:25 -0600
Received: by 03e6231b.bw31almxu.buhlgymgagate.us
     (amavisd-new, port 10268) with ESMTP id 03NGCCNSDRE623JKCXHVTJ1B; for
<m.roth at 5-cent.us>; Mon, 16 Sep 2013 13:27:24 -0700
To: m.roth at 5-cent.us
List-Unsubscribe:
<mailto:unsub-2268-733-2332-11-65411647 at buhlgymgagate.us?subject=unsubscribe>,
<http://www.buhlgymgagate.us/unsubscribe/2268/733/2332/11/65411647/~~m.roth@5-cent.us>
X-Priority: 3 (Normal)
From: "Kohls Gift Card Survey" <KohlsGiftCardSurvey at buhlgymgagate.us>

So, it looks like mmm, (check whois) Jeff Martinez should be blocked at
buhlgymgagate.us. On the other hand, I look at the headers to one of my
posts, and I see that it's coming from, ta-da, 5-cent.us. If I were
sending out spam, then you'd be perfectly justified in blocking 5-cent.us.

        mark