Irishastronomy.org on RBL

Recently my firewall has been marking mails from Irishastronomy.org as SPAM.

When I check the reasons it appears that it is on an RBL list:

RBL match: sbl-xml.spamhaus.org

You might want to get yourselves removed.

John,

I have searched for the IP address (84.51.233. on spamhaus.org in the SBL/XBL/PBL lists, but I can't find it.
Is there any other information like a reference number, etc?

Thanks
Darragh

Darragh, I couldn't see it on their list either, so I wonder if the lookup database is the same or even live?? Fact is a DNS-RBL request returns a positive from sbl-xml.spamhaus.org. I have three other RBL lookups and none of these is returning a positive. I may just remove spamhaus from my list.

See header below, I hope this helps:

Received: from web15.hosting365.ie ([84.51.233.8]) by XXXXXX with SMTP (Microsoft Exchange Internet Mail Service Version 5.5.2656.59)
id VTS31TC2; Mon, 5 Nov 2007 12:09:06 -0000
Received: from web15.hosting365.ie (localhost.localdomain [127.0.0.1])
by web15.hosting365.ie (8.13.1/8.13.1) with ESMTP id lA5C96TQ026040
for <XXXXXXXX>; Mon, 5 Nov 2007 12:09:06 GMT
Received: (from httpd@localhost)
by web15.hosting365.ie (8.13.1/8.13.1/Submit) id lA5C96sN026039;
Mon, 5 Nov 2007 12:09:06 GMT
To:
Subject: [SPAM] Topic Reply Notification - Irishastronomy.org on RBL
X-PHP-Script: irishastronomy.org/boards/posting.php for 83.141.112.242
Reply-to: boards@irishastronomy.org
From: boards@irishastronomy.org
Message-ID: <924a236e1c47087b2e15241d8a3646db@www.irishastronomy.org>
MIME-Version: 1.0
Content-type: text/plain; charset=iso-8859-1
Content-transfer-encoding: 8bit
Date: Mon, 05 Nov 2007 12:09:06 +0000
X-Priority: 3
X-MSMail-Priority: Normal
X-Mailer: PHP
X-MimeOLE: Produced By phpBB2
X-Spam-Flag: YES
X-Spamscreen: Protected by WatchGuard (WGTI) SpamScreen (TM)
v7.5.0.B2063
Results of spamscreen:
-1389 Message-Id is valid
1389 All(Valid/Invalid) Message-Ids
1550 Message has priority, but no X-Mailer/User-Agent
2000 RBL match: sbl-xml.spamhaus.org Score : 3550
Required: 1999