On Fri, 30 Jan 2015, Lucio Chiappetti wrote:

I have just been reported a couple of false positives in our (old and stable) spamassassin config. I reported them to our sysman, but it is better that I enquire (I assisted him in the initial setup though I forgot most),

The false positives came from academic domains, an University here in Italy, and the NRAO in the USA. We have been receiving from them without problem until the false positive occurrred. The score goes above our rather restrictive threshold because of rules like this

*  2.4 DNS_FROM_AHBL_RHSBL RBL: Envelope sender listed in dnsbl.ahbl.org

for both of them. Is this a reliable source or too picky ?

It's defunct.

http://community.zimbra.com/collaboration/f/1884/t/1137276

*  3.4 RCVD_ILLEGAL_IP Received: contains illegal IP address

what is this about ? I see nothing strange

What's the IP?

Now that is not unexpected. The message was a mailman administration message. The mailing list had received some spam attempt from non-subscribers, which went "into moderation". I received them as moderator. In fact the offending URLs were just the spammer's email address. So they are not a great loss, but I would not like to miss legitimate messages from that mailman installation !

So don't pass messages to the mailman moderator address through SA, or if you do, don't discard them if they score high.

--
 John Hardin KA7OHZ                    http://www.impsec.org/~jhardin/
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