On 2021-04-27 18:51, Steve Dondley wrote:
Got this: https://pastebin.com/Gfz951dh

Spam report:

Content analysis details:   (-2.3 points, 5.0 required)

 pts rule name              description
---- ---------------------- --------------------------------------------------
-2.5 RCVD_IN_HOSTKARMA_W    RBL: Sender listed in HOSTKARMA-WHITE
[185.41.28.7 listed in hostkarma.junkemailfilter.com]
-1.0 BAYES_00               BODY: Bayes spam probability is 0 to 1%
                            [score: 0.0000]
-0.0 SPF_HELO_PASS          SPF: HELO matches SPF record
 0.2 HEADER_FROM_DIFFERENT_DOMAINS From and EnvelopeFrom 2nd level
                            mail domains are different
-0.0 SPF_PASS               SPF: sender matches SPF record
 0.1 HTML_MESSAGE           BODY: HTML included in message
-0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily
                            valid
-0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from
                            author\'s domain
-1.0 MAILING_LIST_MULTI Multiple indicators imply a widely-seen list
                            manager
 2.0 LOCAL_SPAM_TLD         Domain originates a lot of spam


Looks like it's coming from some kind of bulk mail service which is
whitelisted. Even after training with bayes, it will still be a false
negative.

Any ideas on the best way to tackle these kinds of fake order spam?

add 3 to local_spam_tld, so bayes does not learn it as ham

autolearnthreshold is -0.1, alternative set this lower to force lesss ham larning in bayes

impressed that spamassassin still have it as ham http://multirbl.valli.org/lookup/185.41.28.7.html

https://spamassassin.apache.org/full/3.3.x/doc/Mail_SpamAssassin_Plugin_AutoLearnThreshold.html

all the best

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