3CX DLL-Sideloading attack: What you need to know

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No Mails in Mail Manager since Update 9.706-9

HI,

in most cases SPAM  mails get sorted into the Mailmanager for a human ceck.

since update 9.706-9 there are no mails in the mail manager.

what happend ?



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Parents
  • What do you see on the 'SMTP Log' tab, Wolfgang?  What result do you get from the following?

         du -shx /var/chroot-smtp/spool/quarantine/*

    Cheers - Bob

     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
  • Hi Bob,

    here we go:

    /root # du -shx /var/chroot-smtp/spool/quarantine/*


    252K /var/chroot-smtp/spool/quarantine/0
    0 /var/chroot-smtp/spool/quarantine/quarantine.lock

Reply Children
  • 252K means that the quarantine is empty (4K x 63 directories), Wolfgang, so it's not a database issue.

    Are you seeing emails delivered that would have been quarantined in the past?

    Cheers - Bob

     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
  • Yes, i get a LOT of more Spam then before !

  • Show us the lines from the SMTP log for a spam that should have been quarantined.

    Cheers - Bob

     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
  • Hi Bob, i am comming back to this on Friday. 

  • by the way, do you wanna see mails from mailmanger SMTP Log or complete from SMTP log ?

  • Definitely from the complete SMTP log file Wolfgang.

    Cheers - Bob

     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
  • Ok, here we go, if you need more let me know:

    2021:06:23-21:31:27 matrix exim-in[11289]: 2021-06-23 21:31:27 SMTP connection from [199.116.112.134]:56350 (TCP/IP connection count = 1)
    2021:06:23-21:31:29 matrix exim-in[1441]: 2021-06-23 21:31:29 H=srv5.sevaa.com [199.116.112.134]:56350 Warning: Exception matched: Skipping greylisting for this message
    2021:06:23-21:31:29 matrix exim-in[1441]: 2021-06-23 21:31:29 H=srv5.sevaa.com [199.116.112.134]:56350 Warning: domain.net profile excludes SANDBOX scan
    2021:06:23-21:31:29 matrix exim-in[1441]: 2021-06-23 21:31:29 [199.116.112.134] F=<julianhernandez@onemoresponsor.com> R=<mail@goes.here> Verifying recipient address with callout
    2021:06:23-21:31:30 matrix exim-in[1441]: 2021-06-23 21:31:30 1lw8av-0000NF-12 sasi reports probability: 0.109877, version: Antispam-Engine: 4.1.4, AntispamData: 2021.6.23.190316
    2021:06:23-21:31:30 matrix exim-in[1441]: 2021-06-23 21:31:30 1lw8av-0000NF-12 <= julianhernandez@onemoresponsor.com H=srv5.sevaa.com [199.116.112.134]:56350 P=esmtps X=TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256 CV=no S=4532 id=E1lw8ap-00Fent-Lm@srv5.sevaa.com
    2021:06:23-21:31:30 matrix exim-in[1441]: 2021-06-23 21:31:30 SMTP connection from srv5.sevaa.com [199.116.112.134]:56350 closed by QUIT
    2021:06:23-21:31:31 matrix smtpd[11283]: QMGR[11283]: 1lw8av-0000NF-12 moved to work queue
    2021:06:23-21:31:40 matrix smtpd[1459]: SCANNER[1459]: 1lw8b6-0000NX-5E <= julianhernandez@onemoresponsor.com R=1lw8av-0000NF-12 P=INPUT S=984
    2021:06:23-21:31:40 matrix smtpd[1459]: SCANNER[1459]: id="1000" severity="info" sys="SecureMail" sub="smtp" name="email passed" srcip="199.116.112.134" from="julianhernandez@onemoresponsor.com" to="mail@goes.here" subject="Ein halb Steifer kommt sicher nicht gut an" queueid="1lw8b6-0000NX-5E" size="984"
    2021:06:23-21:31:40 matrix smtpd[1459]: SCANNER[1459]: 1lw8av-0000NF-12 => work R=SCANNER T=SCANNER
    2021:06:23-21:31:40 matrix smtpd[1459]: SCANNER[1459]: 1lw8av-0000NF-12 Completed
    2021:06:23-21:31:40 matrix exim-out[1462]: 2021-06-23 21:31:40 1lw8b6-0000NX-5E => mail@goes.here P=<julianhernandez@onemoresponsor.com> R=static_route_hostlist T=static_smtp H=000.000.000.000 [000.000.000.000]:25 X=TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256 CV=no C="250 2.0.0 Ok: queued as 55A2CF60353"
    2021:06:23-21:31:40 matrix exim-out[1462]: 2021-06-23 21:31:40 1lw8b6-0000NX-5E Completed

    next:

    21:06:23-20:23:43 matrix exim-in[24981]: 2021-06-23 20:23:43 [141.94.34.22] F=<return-dyn_mlid-dyncluster_iii20210623ca2027333-26817-426ab3=2@princeton.bounces.news.wahrmailler.de> R=<mail@goes.here> Verifying recipient address with callout
    2021:06:23-20:23:44 matrix exim-in[24981]: 2021-06-23 20:23:44 1lw7XM-0006Uv-02 sasi reports probability: 0.129995, version: Antispam-Engine: 4.1.4, AntispamData: 2021.6.23.174216
    2021:06:23-20:23:44 matrix exim-in[24981]: 2021-06-23 20:23:44 1lw7XM-0006Uv-02 Greylisting: Greylisted 141.94.34.22
    2021:06:23-20:23:44 matrix exim-in[24981]: [1\72] 2021-06-23 20:23:44 1lw7XM-0006Uv-02 H=smtp117-023.beyond-mta.de [141.94.34.22]:54833 X=TLS1.2:ECDHE-RSA-AES128-GCM-SHA256:128 CV=no F=<return-dyn_mlid-dyncluster_iii20210623ca2027333-26817-426ab3=2@princeton.bounces.news.wahrmailler.de> temporarily rejected after DATA: Temporary local problem, please try again!
    2021:06:23-20:23:44 matrix exim-in[24981]: [2\72] Envelope-from: <return-dyn_mlid-dyncluster_iii20210623ca2027333-26817-426ab3=2@princeton.bounces.news.wahrmailler.de>
    2021:06:23-20:23:44 matrix exim-in[24981]: [3\72] Envelope-to: <mail@goes.here>
    2021:06:23-20:23:44 matrix exim-in[24981]: [4\72] P Received: from smtp117-023.beyond-mta.de ([141.94.34.22]:54833)
    2021:06:23-20:23:44 matrix exim-in[24981]: [5\72] by domain.here.net with esmtps (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
    2021:06:23-20:23:44 matrix exim-in[24981]: [6\72] (Exim 4.94.2)
    2021:06:23-20:23:44 matrix exim-in[24981]: [7\72] (envelope-from <return-dyn_mlid-dyncluster_iii20210623ca2027333-26817-426ab3=2@princeton.bounces.news.wahrmailler.de>)
    2021:06:23-20:23:44 matrix exim-in[24981]: [8\72] id 1lw7XM-0006Uv-02
    2021:06:23-20:23:44 matrix exim-in[24981]: [9\72] for mail@goes.here; Wed, 23 Jun 2021 20:23:44 +0200
    2021:06:23-20:23:44 matrix exim-in[24981]: [10\72] X-SASI-Hits: BODYTEXTH_SIZE_3000_MORE 0.000000, BODY_SIZE_10000_PLUS 0.000000,
    2021:06:23-20:23:44 matrix exim-in[24981]: [11\72] CTYPE_JUST_HTML 0.847999, DKIM_ALIGNS 0.000000, DKIM_SIGNATURE 0.000000,
    2021:06:23-20:23:44 matrix exim-in[24981]: [12\72] FONT_STYLE_0PT 0.000000, FROM_NAME_PHRASE 0.000000,
    2021:06:23-20:23:44 matrix exim-in[24981]: [13\72] HREF_LABEL_TEXT_NO_URI 0.000000, HTML_90_100 0.100000,
    2021:06:23-20:23:44 matrix exim-in[24981]: [14\72] HTML_FONT_INVISIBLE 0.100000, IMGSPAM_TABLE_1 0.000000,
    2021:06:23-20:23:44 matrix exim-in[24981]: [15\72] KNOWN_MTA_TFX 0.000000, LINK_TO_IMAGE 0.000000, LIST_HEADER 0.000000,
    2021:06:23-20:23:44 matrix exim-in[24981]: [16\72] MIME_LOWER_CASE 0.050000, OBFUSCATION 0.000000,
    2021:06:23-20:23:44 matrix exim-in[24981]: [17\72] REPLYTO_FROM_DIFF_ADDY 0.100000, SENDER_NO_AUTH 0.000000,
    2021:06:23-20:23:44 matrix exim-in[24981]: [18\72] STYLE_RATWARE_REF 0.000000, SXL_IP_TFX_WM 0.000000, URI_ENDS_IN_PHP 0.000000,
    2021:06:23-20:23:44 matrix exim-in[24981]: [19\72] URI_WITH_PATH_ONLY 0.000000, __ANY_URI 0.000000, __BODY_NO_MAILTO 0.000000,
    2021:06:23-20:23:44 matrix exim-in[24981]: [20\72] __BODY_TEXT_X4 0.000000, __CP_MEDIA_BODY 0.000000, __CP_URI_IN_BODY 0.000000,
    2021:06:23-20:23:44 matrix exim-in[24981]: [21\72] __CT 0.000000, __CTE 0.000000, __CTYPE_HTML 0.000000,
    2021:06:23-20:23:44 matrix exim-in[24981]: [22\72] __CTYPE_IS_HTML 0.000000, __DKIM_ALIGNS_1 0.000000, __DKIM_ALIGNS_2 0.000000,
    2021:06:23-20:23:44 matrix exim-in[24981]: [23\72] __FROM_NAME_NOT_IN_ADDR 0.000000, __FROM_NAME_NOT_IN_BODY 0.000000,
    2021:06:23-20:23:44 matrix exim-in[24981]: [24\72] __HAS_FROM 0.000000, __HAS_HTML 0.000000, __HAS_LIST_HEADER 0.000000,
    2021:06:23-20:23:44 matrix exim-in[24981]: [25\72] __HAS_LIST_UNSUBSCRIBE 0.000000, __HAS_MSGID 0.000000,
    2021:06:23-20:23:44 matrix exim-in[24981]: [26\72] __HAS_REPLYTO 0.000000, __HIDDEN_HTML_CONTENT 0.000000,
    2021:06:23-20:23:44 matrix exim-in[24981]: [27\72] __HREF_LABEL_IMG 0.000000, __HREF_LABEL_TEXT 0.000000,
    2021:06:23-20:23:44 matrix exim-in[24981]: [28\72] __HTML_AHREF_TAG 0.000000, __HTML_BAD_END 0.000000, __HTML_BOLD 0.000000,
    2021:06:23-20:23:44 matrix exim-in[24981]: [29\72] __HTML_HREF_TAG_X2 0.000000, __HTML_TAG_CENTER 0.000000,
    2021:06:23-20:23:44 matrix exim-in[24981]: [30\72] __HTML_TAG_DIV 0.000000, __HTML_TAG_TABLE 0.000000, __HTTPS_URI 0.000000,
    2021:06:23-20:23:44 matrix exim-in[24981]: [31\72] __HTTP_IMAGE_TAG 0.000000, __IMGSPAM_TABLE_1 0.000000,
    2021:06:23-20:23:44 matrix exim-in[24981]: [32\72] __IMG_THEN_TEXT 0.000000, __LEGIT_LIST_HEADER 0.000000, __MIME_HTML 0.000000,
    2021:06:23-20:23:44 matrix exim-in[24981]: [33\72] __MIME_HTML_ONLY 0.000000, __MIME_TEXT_H 0.000000, __MIME_TEXT_H1 0.000000,
    2021:06:23-20:23:44 matrix exim-in[24981]: [34\72] __MIME_VERSION 0.000000, __MULTIPLE_URI_HTML 0.000000,
    2021:06:23-20:23:44 matrix exim-in[24981]: [35\72] __MULTIPLE_URI_TEXT 0.000000, __SANE_MSGID 0.000000,
    2021:06:23-20:23:44 matrix exim-in[24981]: [36\72] __STOCK_PHRASE_7 0.000000, __STYLE_RATWARE 0.000000,
    2021:06:23-20:23:44 matrix exim-in[24981]: [37\72] __STYLE_RATWARE_NEG 0.000000, __STYLE_TAG 0.000000,
    2021:06:23-20:23:44 matrix exim-in[24981]: [38\72] __TAG_EXISTS_HTML 0.000000, __TO_MALFORMED_2 0.000000, __TO_NO_NAME 0.000000,
    2021:06:23-20:23:44 matrix exim-in[24981]: [39\72] __URI_HAS_HYPHEN_USC 0.000000, __URI_IN_BODY 0.000000,
    2021:06:23-20:23:44 matrix exim-in[24981]: [40\72] __URI_NOT_IMG 0.000000, __URI_NO_MAILTO 0.000000, __URI_NO_WWW 0.000000,
    2021:06:23-20:23:44 matrix exim-in[24981]: [41\72] __URI_NS 0.000000, __URI_WITH_PATH 0.000000
    2021:06:23-20:23:44 matrix exim-in[24981]: [42\72] X-SASI-Probability: 13%
    2021:06:23-20:23:44 matrix exim-in[24981]: [43\72] X-SASI-RCODE: 200
    2021:06:23-20:23:44 matrix exim-in[24981]: [44\72] X-SASI-Version: Antispam-Engine: 4.1.4, AntispamData: 2021.6.23.174216
    2021:06:23-20:23:44 matrix exim-in[24981]: [45\72] DKIM-Signature: a=rsa-sha256; bh=a2FwY5Lw3tK8wENUE60iMKz39ODWd+Vu8jradbkAcKo=;
    2021:06:23-20:23:44 matrix exim-in[24981]: [46\72] c=relaxed/relaxed; d=news.wahrmailler.de;
    2021:06:23-20:23:44 matrix exim-in[24981]: [47\72] h=X-Mailer-Info:Mime-Version:X-Skip:Reply-To:Content-Type:X-Rclientid:X-Groupid:X-Providerid:X-Clientid:X-Brm-Dtag:From:Date:X-Campaignid:X-Rpcampaign:Message-Id:Subject:To:Content-Transfer-Encoding:List-Unsubscribe:X-Messageid:X-Memberid;
    2021:06:23-20:23:44 matrix exim-in[24981]: [48\72] s=as; t=1624472623; v=1;
    2021:06:23-20:23:44 matrix exim-in[24981]: [49\72] b=MnsvEgHfr04nieMXTSTUyWM0HvadUXJHcWklt724PdcdMehXK2m+cTsM53aiSRBM1G3k57kV
    2021:06:23-20:23:44 matrix exim-in[24981]: [50\72] kplIEx86w+bp6/jBgeaAWMcd3368mYU1GTKxLRvAP2bYY8g8Tuler+R7f+GhYarKc9MMxL73FIG
    2021:06:23-20:23:44 matrix exim-in[24981]: [51\72] i0pJezWeq0pETMI8YV15A8nA=
    2021:06:23-20:23:44 matrix exim-in[24981]: [52\72] X-Mailer-Info: 3.QWeu9VbslGZ.AZ552YsV3c0VmcflWapJDMyEDM2IzMjFmMwIzNzMzM.09mczRXZuB0cjhmch1Wbl5mLuVGd.Imct1yYsFmch1iMwIDN30SMyUTOzkzMyMDOtEDO1UDO1MTLyAjM3MzMz0SM
    2021:06:23-20:23:44 matrix exim-in[24981]: [53\72] Mime-Version: 1.0
    2021:06:23-20:23:44 matrix exim-in[24981]: [54\72] X-Skip: 0
    2021:06:23-20:23:44 matrix exim-in[24981]: [55\72] R Reply-To: reply@inflamesense.de
    2021:06:23-20:23:44 matrix exim-in[24981]: [56\72] Content-Type: text/html; charset=utf-8
    2021:06:23-20:23:44 matrix exim-in[24981]: [57\72] X-Rclientid: 1000
    2021:06:23-20:23:44 matrix exim-in[24981]: [58\72] X-Groupid: 999
    2021:06:23-20:23:44 matrix exim-in[24981]: [59\72] X-Providerid: 999
    2021:06:23-20:23:44 matrix exim-in[24981]: [60\72] X-Clientid: 20247
    2021:06:23-20:23:44 matrix exim-in[24981]: [61\72] X-Brm-Dtag:
    2021:06:23-20:23:44 matrix exim-in[24981]: [62\72] F From: "Top-Verkaufspreise in Ihrer Region" <mail@news.wahrmailler.de>
    2021:06:23-20:23:44 matrix exim-in[24981]: [63\72] Date: Wed, 23 Jun 2021 20:23:43 +0200
    2021:06:23-20:23:44 matrix exim-in[24981]: [64\72] X-Campaignid: 2027333
    2021:06:23-20:23:44 matrix exim-in[24981]: [65\72] X-Rpcampaign: brm_2027333
    2021:06:23-20:23:44 matrix exim-in[24981]: [66\72] I Message-Id: <1624471915-2027333-1259393238-d3a14955a15e8d6b05ad37b7f48a439a-7dd230@bounces.news.wahrmailler.de>
    2021:06:23-20:23:44 matrix exim-in[24981]: [67\72] Subject: Immobilienverkauf: Ist jetzt der richtige Zeitpunkt?
    2021:06:23-20:23:44 matrix exim-in[24981]: [68\72] T To: mail@goes.here
    2021:06:23-20:23:44 matrix exim-in[24981]: [69\72] Content-Transfer-Encoding: quoted-printable
    2021:06:23-20:23:44 matrix exim-in[24981]: [70\72] List-Unsubscribe: <mailto:mail+5-1000-2027333-1259393238-55d2e3c3412eb305c28a184d00525b09@unsubscribe.news.wahrmailler.de>, <news.wahrmailler.de/unsubscribe
    2021:06:23-20:23:44 matrix exim-in[24981]: [71\72] X-Messageid: 1855853
    2021:06:23-20:23:44 matrix exim-in[24981]: [72/72] X-Memberid: 1259393238
    2021:06:23-20:23:44 matrix exim-in[24981]: 2021-06-23 20:23:44 SMTP connection from smtp117-023.beyond-mta.de [141.94.34.22]:54833 closed by QUIT

    2021:06:23-20:37:43 matrix exim-in[26157]: 2021-06-23 20:37:43 H=smtp117-105.beyond-mta.de [141.94.34.104]:50015 Warning: domain.net profile excludes SANDBOX scan
    2021:06:23-20:37:43 matrix exim-in[26157]: 2021-06-23 20:37:43 [141.94.34.104] F=<return-dyn_mlid-dyncluster_iii20210623ca2027333-26817-426ab3=2@princeton.bounces.news.wahrmailler.de> R=<mail@goes.here> Verifying recipient address with callout
    2021:06:23-20:37:44 matrix exim-in[26157]: 2021-06-23 20:37:44 1lw7kt-0006nt-2v sasi reports probability: 0.129995, version: Antispam-Engine: 4.1.4, AntispamData: 2021.6.23.180016
    2021:06:23-20:37:44 matrix exim-in[26157]: 2021-06-23 20:37:44 1lw7kt-0006nt-2v Greylisting: Successful greylist retry from 141.94.34.104 (original host was 141.94.34.22/32)
    2021:06:23-20:37:44 matrix exim-in[26157]: 2021-06-23 20:37:44 1lw7kt-0006nt-2v <= return-dyn_mlid-dyncluster_iii20210623ca2027333-26817-426ab3=2@princeton.bounces.news.wahrmailler.de H=smtp117-105.beyond-mta.de [141.94.34.104]:50015 P=esmtps X=TLS1.2:ECDHE-RSA-AES128-GCM-SHA256:128 CV=no S=25566 DKIM=news.wahrmailler.de id=1624471915-2027333-1259393238-d3a14955a15e8d6b05ad37b7f48a439a-7dd230@bounces.news.wahrmailler.de
    2021:06:23-20:37:44 matrix exim-in[26157]: 2021-06-23 20:37:44 SMTP connection from smtp117-105.beyond-mta.de [141.94.34.104]:50015 closed by QUIT

  • The one from  [199.116.112.134] shows "Exception matched" - can you see which Exception might have matched that?

    In the past, did the SMTP Proxy quarantine emails from news.wahrmailler.de?

    Cheers - Bob

     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
  • Hi Bob,

    The expextion was greylisting for the recipient e-mail.

    Exception matched: Skipping greylisting for this message. The skipped greylisting should no issue at all.

    No, the proxy never quarantined mail from news.wahrmailler.de. so as workarround i put a blocklist in my postfix mailserver.

    But that should not be the solution either...

    cheers

  • How about this, Wolfgang - Show the lines from the log file for similar emails where one before the Up2Date was quarantined and one after the update was not quarantined.

    Cheers - Bob

     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA