L2.APEWS.ORG False Positive #15

This one is a newsletter and although the listing was showing as /24, it has already been corrected at the time of writing. Posting the error here for archive purposes;

Wed 2012-04-03 07:50:58: [448:627] Accepting SMTP connection from [24.38.56.81]
Wed 2012-04-03 07:50:58: [448:627] Looking up PTR record for 24.38.56.81 (81.56.38.24.IN-ADDR.ARPA)
Wed 2012-04-03 07:50:59: [448:627] D=81.56.38.24.IN-ADDR.ARPA TTL=(1439) PTR=[mailb.info.humanevents.com]
Wed 2012-04-03 07:50:59: [448:627] Gathering A-records for PTR hosts
Wed 2012-04-03 07:50:59: [448:627] D=mailb.info.humanevents.com TTL=(1440) A=[24.38.56.81]
Wed 2012-04-03 07:50:59: [448:627] --> 220 xxx.xxx.xxx ESMTP MDaemon 6.7.9; Wed, 04 Apr 2012 08:50:59 -0500
Wed 2012-04-03 07:50:59: [448:627] <-- EHLO mailb.info.humanevents.com
Wed 2012-04-03 07:50:59: [448:627] Performing reverse lookup on mailb.info.humanevents.com (looking for 24.38.56.81)
Wed 2012-04-03 07:50:59: [448:627] D=mailb.info.humanevents.com TTL=(1440) A=[24.38.56.81]
Wed 2012-04-03 07:50:59: [448:627] --> 250-xxx.xxx.xxx Hello mailb.info.humanevents.com, pleased to meet you
Wed 2012-04-03 07:50:59: [448:627] --> 250-ETRN
Wed 2012-04-03 07:50:59: [448:627] --> 250-AUTH=LOGIN
Wed 2012-04-03 07:50:59: [448:627] --> 250-AUTH LOGIN CRAM-MD5
Wed 2012-04-03 07:50:59: [448:627] --> 250-8BITMIME
Wed 2012-04-03 07:50:59: [448:627] --> 250 SIZE 0
Wed 2012-04-03 07:50:59: [448:627] <-- MAIL FROM: BODY=8BITMIME
Wed 2012-04-03 07:50:59: [448:627] Performing reverse lookup on info.humanevents.com (looking for 24.38.56.81)
Wed 2012-04-03 07:50:59: [448:627] D=info.humanevents.com TTL=(1440) A=[74.201.50.22]
Wed 2012-04-03 07:51:00: [448:627] P=030 D=info.humanevents.com TTL=(1439) MX=[mx2.info.humanevents.com] {74.201.50.6}
Wed 2012-04-03 07:51:00: [448:627] P=010 D=info.humanevents.com TTL=(1439) MX=[mx1.info.humanevents.com] {74.201.50.4}
Wed 2012-04-03 07:51:00: [448:627] Spam Blocker A-record resolution of [81.56.38.24.L2.APEWS.ORG] in progress (DNS Server: 192.168.1.2)...
Wed 2012-04-03 07:51:00: [448:627] Spam Blocker D=81.56.38.24.L2.APEWS.ORG TTL=(35) A=[127.0.0.2]
Wed 2012-04-03 07:51:00: [448:627] L2.APEWS.ORG LISTED
Wed 2012-04-03 07:51:00: [448:627] Message will be accepted and X-RBL-Warning: header will be inserted.
Wed 2012-04-03 07:51:00: [448:627] --> 250 , Sender ok
Wed 2012-04-03 07:51:00: [448:627] <-- RCPT TO:
Wed 2012-04-03 07:51:00: [448:627] --> 250 , Recipient ok
Wed 2012-04-03 07:51:00: [448:627] <-- DATA
Wed 2012-04-03 07:51:00: [448:627] --> 354 Enter mail, end with .
Wed 2012-04-03 07:51:01: [448:627] --> 250 Ok, message saved
Wed 2012-04-03 07:51:01: [448:627] <-- QUIT
Wed 2012-04-03 07:51:01: [448:627] --> 221 See ya in cyberspace
Wed 2012-04-03 07:51:01: [448:627] SMTP session successful, 34147 bytes transferred.
Wed 2012-04-03 07:51:01: [448:627] Shuffling message(s) into proper queue(s)
Wed 2012-04-03 07:51:01: [448:627] Message received from mailb.info.humanevents.com [24.38.56.81] with SMTP for [Size 3412] {j:\localq\0000000.msg}
Wed 2012-04-03 07:51:01: ----------

The sending server itself was not listed but the small group listing affected it causing a false positive for us. Resolved already.