Hi,

'DoNoFrom' is set to score and nofromValencePB is set to 50. But it was not 
added to total score.


17-05-10.maillog.txt:May-10-17 21:27:54 m1-44474-10908 [Worker_1] [TLS-out] 
[isbounce] 85.128.182.51 bounce message detected
17-05-10.maillog.txt:May-10-17 21:27:54 m1-44474-10908 [Worker_1] [TLS-out] 
85.128.182.51 to: [email protected] [scoring] SPF: none (cache) 
ip=85.128.182.51 [email protected] 
helo=alz51.rev.netart.pl
17-05-10.maillog.txt:May-10-17 21:27:54 m1-44474-10908 [Worker_1] [TLS-out] 
[DNSBL] 85.128.182.51 to: [email protected] [scoring] DNSBL: neutral, 
85.128.182.51 listed in l2.apews.org
17-05-10.maillog.txt:May-10-17 21:27:54 m1-44474-10908 [Worker_1] [TLS-out] 
85.128.182.51 to: [email protected] Message-Score: added 17 for DNSBL: 
neutral, 85.128.182.51 listed in l2.apews.org, total score for this message is 
now 17
17-05-10.maillog.txt:May-10-17 21:27:54 m1-44474-10908 [Worker_1] [TLS-out] 
85.128.182.51 to: [email protected] [monitoring] IP: 85.128.182.51 is 
listed by [CACHE] ips.backscatterer.org
17-05-10.maillog.txt:May-10-17 21:27:54 m1-44474-10908 [Worker_1] [TLS-out] 
85.128.182.51 to: [email protected] HMM-Check has given less than 6 
results - using monitoring mode only
17-05-10.maillog.txt:May-10-17 21:27:54 m1-44474-10908 [Worker_1] [TLS-out] 
85.128.182.51 to: [email protected] HMM Check [monitoring] - Prob: 0.00000 
=> ham - answer/query relation: 6% of 46
17-05-10.maillog.txt:May-10-17 21:27:54 m1-44474-10908 [Worker_1] [TLS-out] 
85.128.182.51 to: [email protected] Bayesian Check [scoring] - Prob: 
0.00000 => ham - answer/query relation: 54% of 48
17-05-10.maillog.txt:May-10-17 21:27:54 m1-44474-10908 [Worker_1] [TLS-out] 
85.128.182.51 to: [email protected] info: found bounced sender: <> and 
recipient: <[email protected]> without valid MSGID-signature
17-05-10.maillog.txt:May-10-17 21:27:54 m1-44474-10908 [Worker_1] [TLS-out] 
[MSGID-sig] 85.128.182.51 to: [email protected] [scoring] MSGID-sig check 
failed for bounce sender
17-05-10.maillog.txt:May-10-17 21:27:54 m1-44474-10908 [Worker_1] [TLS-out] 
85.128.182.51 to: [email protected] Message-Score: added 25 
(fbmtvValencePB) for MSGID-sig check failed for bounce sender , total score for 
this message is now 42
17-05-10.maillog.txt:May-10-17 21:27:54 m1-44474-10908 [Worker_1] [TLS-out] 
85.128.182.51 to: [email protected] [Plugin] calling plugin ASSP_AFC
17-05-10.maillog.txt:May-10-17 21:27:55 m1-44474-10908 [Worker_1] [TLS-out] 
[MessageOK] 85.128.182.51 to: [email protected] message ok [Invoice 
81687624195 Crist Leah]
17-05-10.maillog.txt:May-10-17 21:27:55 m1-44474-10908 [Worker_1] [TLS-out] 
85.128.182.51 to: [email protected] info: PB-IP-Score for '85.128.182.0' 
is 0, added 17 in this session


Why?

Markus


Von: Thomas Eckardt [mailto:[email protected]]
Gesendet: Mittwoch, 31. Mai 2017 16:44
An: For Users of ASSP <[email protected]>
Betreff: Re: [Assp-user] DoNoSpoofing4From

'DoNoFrom' will detect this from header as invalid

btw: not only assp detects this mistake (if configured)

X-Spam-Status: No, score=3.812 tagged_above=-10
            tests=[FROM_EXCESS_BASE64=0.105, FROM_NO_USER=2.599,
            HELO_MISC_IP=0.001, HTML_MESSAGE=0.001, MIME_BASE64_TEXT=0.001,
            MIME_HTML_ONLY=1.105] autolearn=disabled

spamassassin also

Thomas





Von:        Brunner Markus 
<[email protected]<mailto:[email protected]>>
An:        For Users of ASSP 
<[email protected]<mailto:[email protected]>>
Datum:        31.05.2017 16:22
Betreff:        Re: [Assp-user] DoNoSpoofing4From
________________________________



Hi,

this is the full header.

Received: from mail.starrag.com (10.152.1.40) by RO57anon.starrag.com
(10.152.1.23) with Microsoft SMTP Server id 14.3.279.2; Wed, 10 May 2017
21:27:36 +0200
Received: from alz51.rev.netart.pl (ro37.starrag.com [10.254.1.223])      by
mail.starrag.com (Postfix) with ESMTPS id 53717E00CF          for
<[email protected]<mailto:[email protected]>>; Wed, 10 May 2017 
21:27:54 +0200 (CEST)
X-Assp-ID: mail.starrag.com m1-44474-10908
X-Assp-Session: F283A48 (mail 1)
X-Assp-Intended-For: [email protected]<mailto:[email protected]>
X-Assp-Version: 2.5.5(16366) on mail.starrag.com
X-Assp-Server-TLS: yes
X-Assp-Delay: not delayed (gripvalue low: 0.29); 10 May 2017
            21:27:54 +0200
X-Assp-Received-SPF: none (cache) ip=85.128.182.51 
[email protected]<mailto:[email protected]>
            helo=alz51.rev.netart.pl
X-Original-Authentication-Results: mail.starrag.com; spf=none
X-Assp-Message-Score: 17 (DNSBL: neutral, 85.128.182.51 listed in
            l2.apews.org)
X-Assp-IP-Score: 17 (DNSBL: neutral, 85.128.182.51 listed in
            l2.apews.org)
X-Assp-DNSBL: neutral, 85.128.182.51 listed in (l2.apews.org<-127.0.0.2; )
X-Assp-Spam-Level: ****
Received: from alz51.rev.netart.pl ([85.128.182.51] helo=alz51.rev.netart.pl)
            by mail.starrag.com with SMTP (2.5.5); 10 May 2017 21:27:54 +0200
X-Virus-Scanned: by amavisd-new using ClamAV (14)
X-Spam-Flag: NO
X-Spam-Score: 3.812
X-Spam-Level: ***
X-Spam-Status: No, score=3.812 tagged_above=-10
            tests=[FROM_EXCESS_BASE64=0.105, FROM_NO_USER=2.599,
            HELO_MISC_IP=0.001, HTML_MESSAGE=0.001, MIME_BASE64_TEXT=0.001,
            MIME_HTML_ONLY=1.105] autolearn=disabled
Received: from [10.0.0.38] (remote.dse-ltd.co.uk [81.133.147.22])         by
goreckizory.nazwa.pl (Postfix) with ESMTP id E2A9737FEEB   for
<[email protected]<mailto:[email protected]>>; Wed, 10 May 2017 
21:27:34 +0200 (CEST)
Date: Wed, 10 May 2017 20:27:30 +0000
From: =?UTF-8?B?Sm9obi5Sb2JiaW5zQHN0YXJyYWcuY29t?=
Message-ID: 
<[email protected]<mailto:[email protected]>>
To: <[email protected]<mailto:[email protected]>>
Subject: =?UTF-8?B?SW52b2ljZSA4MTY4NzYyNDE5NSBDcmlzdCBMZWFo?=
MIME-Version: 1.0
Content-Type: multipart/mixed;
            boundary="_c10740b4-96ca-4ccf-89ab-02bf68b8d5c3_"
Return-Path: <>
X-MS-Exchange-Organization-AuthSource: RO57.starrag.com
X-MS-Exchange-Organization-AuthAs: Internal
X-MS-Exchange-Organization-AuthMechanism: 10

How can mails like this be blocked?

Best Regards
Markus



Von: Thomas Eckardt [mailto:[email protected]]
Gesendet: Mittwoch, 31. Mai 2017 13:49
An: For Users of ASSP 
<[email protected]<mailto:[email protected]>>
Betreff: Re: [Assp-user] DoNoSpoofing4From

this header is invalid - so there is nothing to recognize

From: =?UTF-8?B?U2NoZXJyZXIgS2V2aW4=?= <[email protected]<mailto:[email protected]>>

would be the valid variant

a from header has to contain a valid email address - if this is provided, it 
will be used by assp

Thomas





Von:        Brunner Markus 
<[email protected]<mailto:[email protected]>>
An:        
"[email protected]<mailto:[email protected]>" 
<[email protected]<mailto:[email protected]>>
Datum:        31.05.2017 13:11
Betreff:        [Assp-user] DoNoSpoofing4From
________________________________




Hi,

is there a way that assp recognize UTF8/b64 encoded “from” header for spoofing?

Header looks like:
From: =?UTF-8?B?U2NoZXJyZXIgS2V2aW4=?=

Freundliche Grüsse / Kind regards

Markus Brunner 
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virus in this email!
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DISCLAIMER:
*******************************************************
This email and any files transmitted with it may be confidential, legally 
privileged and protected in law and are intended solely for the use of the
individual to whom it is addressed.
This email was multiple times scanned for viruses. There should be no known 
virus in this email!
*******************************************************
------------------------------------------------------------------------------
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engaging tech sites, Slashdot.org! http://sdm.link/slashdot
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