R: R: R: R: R: Message quarantined as SPAM

[Scappatura Rocco]

Hello.

Thank you for the anwer. $sa_tag_level_deflt  is already set to 2.0. Here the 
headers of the message relative the score:

X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on av9.infracom.it
X-Spam-Level: *
X-Spam-Status: No, score=1.9 required=5.0 tests=BASE64_LENGTH_79_INF,BAYES_00,
        HTML_IMAGE_ONLY_20,HTML_MESSAGE,MIME_HTML_ONLY,MISSING_MIME_HB_SEP,
        MPART_ALT_DIFF,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,
        TO_NO_BRKTS_HTML_IMG,T_REMOTE_IMAGE autolearn=no autolearn_force=no
        version=3.4.0
Delivered-To: spam-quarantine
X-Envelope-To: <iagro...@example.net<mailto:iagro...@example.net>>
X-Envelope-To-Blocked: <iagro...@example.net<mailto:iagro...@example.net>>
X-Quarantine-ID: <BknEtFAN2Yh1>
X-Amavis-Alert: BAD HEADER SECTION, Non-encoded non-ASCII data (and not UTF-8)
        (char B0 hex): Subject: Annullamento Ordine n\x{B0} 217026098 del
        [...]

So the thing to be clarified is the difference between the ‘score’ reported by 
spamassassin (and X-Spam-Status header) and the Hits reported by the amavisd 
log.

Could someone explain the difference?

Regards,

RS

Da: amavis-users 
[mailto:amavis-users-bounces+rocco.scappatura=infracom...@amavis.org] Per conto 
di Dominic Raferd
Inviato: giovedì 20 luglio 2017 07:18
A: amavis-users@amavis.org
Oggetto: Re: R: R: R: R: Message quarantined as SPAM

You can set $sa_tag_level_deflt (different from $sa_tag2_level_deflt) to lower 
level - mails with scores above $sa_tag_level_deflt will have spam info header 
added; this header shows how amavis has calculated the score.

On 19 July 2017 at 14:02, Scappatura Rocco 
<rocco.scappat...@infracom.it<mailto:rocco.scappat...@infracom.it>> wrote:
Thank you for the answer.

Yes, you are right. Anyway I set ‘$sa_kill_level_deflt = 6.31’ too in amavis 
configuration.

I could agree for the differnce of the score of the message assigned by amavis 
and the score of the SA test of the quarantined message..

But, I would like to understand why amavis assigns a so high score (7.946) to a 
harmless message ..

Regards,

RS


Da: amavis-users 
[mailto:amavis-users-bounces+rocco.scappatura<mailto:amavis-users-bounces%2Brocco.scappatura>=infracom...@amavis.org<mailto:infracom...@amavis.org>]
 Per conto di Dominic Raferd
Inviato: mercoledì 19 luglio 2017 14:28
A: amavis-users@amavis.org<mailto:amavis-users@amavis.org>
Oggetto: Re: R: R: R: R: Message quarantined as SPAM



On 19 July 2017 at 12:56, Scappatura Rocco 
<rocco.scappat...@infracom.it<mailto:rocco.scappat...@infracom.it>> wrote:
Hello.

Even after the changes done to the amavis configuration, I still notice that 
some messages has been blocked as SPAM. For example:

Jul 18 12:04:55 zzz amavis[18242]: (18242-14) Blocked SPAM 
{DiscardedInbound,Quarantined}, [195.245.231.137]:39849 [193.67.127.189] 
<orderfl...@example.org<mailto:orderfl...@example.org>> -> 
<iagro...@example.net<mailto:iagro...@example.net>>, quarantine: 
B/spam-BknEtFAN2Yh1.gz, Queue-ID: 31099D5C4B, Message-ID: 
<of2b08da46.86f90238-on80258161.00376...@leaseplancorp.net<mailto:of2b08da46.86f90238-on80258161.00376...@leaseplancorp.net>>,
 mail_id: BknEtFAN2Yh1, Hits: 7.946, size: 170434, 551 ms

while the score I get while testing the messages is much lower that 
$sa_tag2_level_deflt (1.9 < 6.31):
​...


Where is the problem? Why the message is tagged as SPAM and quarantined?

​It is not $sa_tag2_level_deflt that determines whether message is quarantined, 
this only determines whether to add 'spam detected' headers in the emails.

Score above $sa_kill_level_deflt​ triggers evasive action (i.e. according to 
$spam_quarantine_method).

Also I am not sure you can rely on getting same spam calculation when you 
re-test a quarantined email as when it arrives from outside, perhaps this is 
why header shows score of 7.946 but retest only 1.9?