On Fri, 28 Oct 2011, Loic Condette wrote:

I just received a spam which match the following rules:

[DATE_IN_PAST_24_48=1.34, FSL_HELO_NON_FQDN_1=0.001, HELO_NO_DOMAIN=0.001,
RDNS_NONE=0.793, TO_NO_BRKTS_NORDNS=0.001]

The problem here is that I could not find a description for the following
rules...

HELO_NO_DOMAIN
RDNS_NONE
TO_NO_BRKTS_NORDNS

... on http://spamassassin.apache.org/tests_3_3_x.html
So I can't really know what these rules match and tweak their scores.

What's happening? Is SA late on rules descriptions on their website or do
I miss something?

The rules autopromoted from developers' sandboxes do not have descriptions on the website as they aren't in the base static rule sets, and some of us {blush} are poor about updating the wiki.

The names try to be descriptive, and most rules do have textual descriptions available that can be displayed in the message header given the proper config options.

HELO_NO_DOMAIN: the HELO the client sent is bare, missing a domain part.

RDNS_NONE: no rDNS entry for the last untrusted/external hop.

TO_NO_BRKTS_NORDNS: RDNS_NONE plus the TO address is missing angle brackets, which are the proper way to format an email address.

Additionally,
FSL_HELO_NON_FQDN_1 description is rather unclear, to say the least.

Heh. That one probably duplicates HELO_NO_DOMAIN. "FDQN" is net-speak for "Fully-Qualified Domain Name".

--
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