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Prevent spoofing and phishing with DMARC (Domain-based Message Authentication, Report...




Site user blocks : Account info / user rights / summary

Prevent spoofing and phishing with DMARC

DMARC is a technical specification created by a group of organizations that want to help reduce the misuse of emails, such as spam, phishing, by providing a solution for deploying and monitoring problems related to their authentication.

This technology has been standardized by the Internet Engineering Task Force (IETF) in the RFC 7489 .

DMARC standardizes how recipients (in the sense of recipient MTAs) perform email authentication using the Sender Policy Framework and DomainKeys Identified Mail mechanisms. This means that the sender (in the sense of a sending MTA) will receive the results of the authentication of its messages by any recipient that implements DMARC.

Domain-based Message Authentication, Reporting, and Conformance

DMARC (Domain-based Message Authentication, Reporting, and Conformance) is a standard email authentication method . DMARC allows email administrators to prevent hackers from impersonating their organization and domain. Spoofing is a type of attack in which the address in the From field of an email is spoofed. A spoofing message appears to come from the spoofed organization or domain.

DMARC also lets you request reports from mail servers that receive mail from your organization or domain. These reports contain information to help you identify possible authentication issues and malicious activity related to messages sent from your domain.

DMARC prevents spoofing and phishing

Spammers can spoof your domain or organization to send fraudulent messages that impersonate your organization. DMARC tells mail servers what action to take when they receive a message that appears to come from your organization, but does not pass authentication checks or does not meet the authentication criteria of your DMARC rule record. Messages that aren't authenticated can impersonate your organization or be sent from unauthorized servers.

DMARC is always used with the following two authentication methods or controls:

  • The Sender Policy Framework (SPF) protocol allows the domain owner to authorize IP addresses to send email for the domain. Receiving servers can verify that messages from a specific domain are sent from servers authorized by the domain owner.
  • DKIM (Domain Keys Identified Mail) adds a digital signature to every message sent. Receiving servers use this signature to verify that messages are authentic and have not been tampered with or altered during sending.
Information DMARC:

Compliance DMARC : SPF + DKIM which allows us to know who (which domain, which IP address) is usurping our identity (our domain name) and validate our messages/domains/IP address.

Docs for a good configuration of DMARC DNS records : DNS Record found, DMARC Record found and DMARC Quarantine/Reject policy enabled

DMARC Reports files Analyser

HTML (PHP) table for viewing compliance reports DMARC. Analyze the DMARC reports sent by the mail servers receiving your couriers.

SH script to unzip/store ZIP/GZ DMARC files
Retrieve the analyzes of our DMARC reports from your servers.

API JSON RESTful to analyze mail servers spoofing our mail domain names.

Use the API "ZW3B Api Client" :
Information for using our API "ZW3B Api Client".

DMARC Reports +

Emails Reports - Conformance DMARC DKIM SPF
  • Sender Mail server : mail.zw3b.eu
    • SPF authorized : 158.69.126.137 2607:5300:60:9389:17:4:0:1 2607:5300:60:9389:17:4c1:0:1a

Destination ReportsSender DomainDMARConformanceSPFDKIM

aol.com

w1a.zw3b.net

 Auth.Align.Poli.Auth.Align.Poli.
Report IDDateIp AddressEmail VolumePassFailRatePassFailPassFailPassPassFailPassFailPass
1677(...)04062023-02-28 00:59:59158.69.126.1377310100%1010110101
1677(...)04062023-02-28 00:59:59158.69.126.137210100%10101nullnull001
1677(...)32202023-02-26 00:59:59158.69.126.1372910100%1010110101
1677(...)48112023-02-24 00:59:59158.69.126.1372210100%1010110101
1677(...)48112023-02-24 00:59:59158.69.126.137110100%10101nullnull001
1677(...)13112023-02-22 00:59:59158.69.126.1374810100%1010110101
1676(...)07132023-02-20 00:59:59158.69.126.1375310100%1010110101
1676(...)07132023-02-20 00:59:59158.69.126.137110100%10101nullnull001
1676(...)99052023-02-18 00:59:59158.69.126.137610100%1010110101
1676(...)21322023-02-16 00:59:59158.69.126.1372510100%1010110101
1676(...)48342023-02-14 00:59:59158.69.126.1377910100%1010110101
1676(...)55282023-02-12 00:59:59158.69.126.1374010100%1010110101
1675(...)50132023-02-10 00:59:59158.69.126.1374010100%1010110101
1675(...)50132023-02-10 00:59:59158.69.126.137110100%10101nullnull001
1675(...)11262023-02-08 00:59:59158.69.126.1377010100%1010110101
1675(...)11602023-02-06 00:59:59158.69.126.1373010100%1010110101
1675(...)11602023-02-06 00:59:59158.69.126.137210100%10101nullnull001
1675(...)21272023-02-04 00:59:59158.69.126.137210100%1010110101
1675(...)68612023-02-02 00:59:59158.69.126.1372010100%1010110101
1675(...)92272023-02-01 00:59:59158.69.126.137110100%1010110101
1675(...)24352023-02-03 00:59:59158.69.126.1372410100%1010110101
1675(...)47492023-02-05 00:59:59158.69.126.1373210100%1010110101
1675(...)41922023-02-07 00:59:59158.69.126.1378710100%1010110101
1675(...)62332023-02-09 00:59:59158.69.126.1372510100%1010110101
1676(...)70172023-02-11 00:59:59158.69.126.137610100%1010110101
1676(...)30912023-02-13 00:59:59158.69.126.1374710100%1010110101
1676(...)30912023-02-13 00:59:59158.69.126.137110100%10101nullnull001
1676(...)55502023-02-15 00:59:59158.69.126.1375810100%1010110101
1676(...)18582023-02-17 00:59:59158.69.126.1373110100%1010110101
1676(...)22932023-02-19 00:59:59158.69.126.1373810100%1010110101
1676(...)25802023-02-21 00:59:59158.69.126.1376710100%1010110101
1677(...)61082023-02-23 00:59:59158.69.126.1374410100%1010110101
1677(...)19442023-02-25 00:59:59158.69.126.137310100%1010110101
1677(...)19442023-02-25 00:59:59158.69.126.137110100%10101nullnull001
1677(...)37732023-02-27 00:59:59158.69.126.1374210100%1010110101
Recipient mail server statistics aol.com for the domain w1a.zw3b.net
  • Past emails : 1,051
  • Error emails : 0
  • Total emails sent : 1,051
Destination ReportsSender DomainDMARConformanceSPFDKIM

bellsouth.net

w1a.zw3b.net

 Auth.Align.Poli.Auth.Align.Poli.
Report IDDateIp AddressEmail VolumePassFailRatePassFailPassFailPassPassFailPassFailPass
1677(...)01132023-02-27 00:59:59158.69.126.137110100%1010110101
1676(...)50712023-02-12 00:59:59158.69.126.137110100%1010110101
1675(...)59922023-02-06 00:59:59158.69.126.137110100%1010110101
1676(...)52252023-02-19 00:59:59158.69.126.137110100%1010110101
Recipient mail server statistics bellsouth.net for the domain w1a.zw3b.net
  • Past emails : 4
  • Error emails : 0
  • Total emails sent : 4
Destination ReportsSender DomainDMARConformanceSPFDKIM

google.com

w1a.zw3b.net

 Auth.Align.Poli.Auth.Align.Poli.
Report IDDateIp AddressEmail VolumePassFailRatePassFailPassFailPassPassFailPassFailPass
6314(...)47732023-02-27 00:59:595.39.4.21010%10010nullnullnullnull0
6314(...)47732023-02-27 00:59:5980.12.242.2110150%1001010101
6314(...)47732023-02-27 00:59:592607:5300:60:9389:17:4:0:110710100%1010110101
6314(...)47732023-02-27 00:59:5991.194.100.421010%0101001010
6314(...)47732023-02-27 00:59:59212.227.126.13020150%1001010101
6314(...)47732023-02-27 00:59:59178.32.102.2410150%0101010101
6314(...)47732023-02-27 00:59:59158.69.126.1378410100%1010110101
6314(...)47732023-02-27 00:59:5980.12.242.1710150%1001010101
6314(...)47732023-02-27 00:59:5924.41.67.4110150%0101010101
2644(...)35602023-02-25 00:59:59158.69.126.1378210100%1010110101
2644(...)35602023-02-25 00:59:592607:5300:60:9389:17:4:0:16610100%1010110101
1729(...)48952023-02-19 00:59:5987.98.186.12810150%0101010101
1729(...)48952023-02-19 00:59:59188.130.25.14910150%0101010101
1729(...)48952023-02-19 00:59:5924.41.67.4210150%0101010101
1729(...)48952023-02-19 00:59:59158.69.126.13720610100%1010110101
1729(...)48952023-02-19 00:59:592607:5300:60:9389:17:4:0:118610100%1010110101
1729(...)48952023-02-19 00:59:5991.194.100.421010%0101001010
1729(...)48952023-02-19 00:59:5991.109.120.2910150%1001010101
7379(...)51872023-02-13 00:59:59109.234.163.1820150%0101010101
7379(...)51872023-02-13 00:59:59158.69.126.13710310100%1010110101
7379(...)51872023-02-13 00:59:5982.165.159.1310150%1001010101
7379(...)51872023-02-13 00:59:592607:5300:60:9389:17:4:0:18210100%1010110101
8942(...)23462023-02-11 00:59:592607:5300:60:9389:17:4:0:16910100%1010110101
8942(...)23462023-02-11 00:59:5991.194.100.421010%0101001010
8942(...)23462023-02-11 00:59:595.39.4.21010%10010nullnullnullnull0
8942(...)23462023-02-11 00:59:59158.69.126.1377110100%1010110101
2790(...)74792023-02-05 00:59:592607:5300:60:9389:17:4:0:119610100%1010110101
2790(...)74792023-02-05 00:59:5981.88.63.13310150%0101010101
2790(...)74792023-02-05 00:59:59217.70.178.23110150%0101010101
2790(...)74792023-02-05 00:59:59217.72.192.7310150%1001010101
2790(...)74792023-02-05 00:59:59158.69.126.13718610100%1010110101
2790(...)74792023-02-05 00:59:59195.110.123.1210150%0101010101
2790(...)74792023-02-05 00:59:59109.234.163.1820150%0101010101
2790(...)74792023-02-05 00:59:59217.72.192.7510150%1001010101
2790(...)74792023-02-05 00:59:5924.41.67.4110150%0101010101
4739(...)25332023-02-04 00:59:5946.105.34.16210150%0101010101
4739(...)25332023-02-04 00:59:592607:5300:60:9389:17:4:0:16810100%1010110101
4739(...)25332023-02-04 00:59:5991.216.107.3710150%1001010101
4739(...)25332023-02-04 00:59:5991.109.120.2910150%1001010101
4739(...)25332023-02-04 00:59:59188.130.25.15010150%0101010101
4739(...)25332023-02-04 00:59:59158.69.126.1377310100%1010110101
4739(...)25332023-02-04 00:59:595.39.4.21010%10010nullnullnullnull0
7031(...)99622023-02-06 00:59:59104.248.224.17010150%1001010101
7031(...)99622023-02-06 00:59:5991.194.100.421010%0101001010
7031(...)99622023-02-06 00:59:592607:5300:60:9389:17:4:0:112210100%1010110101
7031(...)99622023-02-06 00:59:592001:4b98:dc4:8::22310150%0101010101
7031(...)99622023-02-06 00:59:5982.165.159.1410150%1001010101
7031(...)99622023-02-06 00:59:59158.69.126.1379810100%1010110101
9303(...)03512023-02-12 00:59:59188.130.25.14910150%0101010101
9303(...)03512023-02-12 00:59:59217.72.192.7310150%1001010101
9303(...)03512023-02-12 00:59:5991.216.107.3710150%1001010101
9303(...)03512023-02-12 00:59:5991.109.120.2910150%1001010101
9303(...)03512023-02-12 00:59:592607:5300:60:9389:17:4:0:120910100%1010110101
9303(...)03512023-02-12 00:59:59217.70.183.20010150%0101010101
9303(...)03512023-02-12 00:59:59158.69.126.13720910100%1010110101
9303(...)03512023-02-12 00:59:59217.70.183.19910150%0101010101
9303(...)03512023-02-12 00:59:5987.98.162.19510150%0101010101
9303(...)03512023-02-12 00:59:59212.227.17.1310150%1001010101
4505(...)69342023-02-18 00:59:59212.227.17.1310150%1001010101
4505(...)69342023-02-18 00:59:59217.72.192.7310150%1001010101
4505(...)69342023-02-18 00:59:59158.69.126.1377910100%1010110101
4505(...)69342023-02-18 00:59:592607:5300:60:9389:17:4:0:16810100%1010110101
4505(...)69342023-02-18 00:59:5991.216.107.3710150%1001010101
6871(...)89182023-02-20 00:59:592607:5300:60:9389:17:4:0:19410100%1010110101
6871(...)89182023-02-20 00:59:59158.69.126.13711010100%1010110101
6871(...)89182023-02-20 00:59:59109.234.163.1820150%0101010101
6871(...)89182023-02-20 00:59:5982.165.159.1210150%1001010101
6871(...)89182023-02-20 00:59:595.39.4.21010%10010nullnullnullnull0
6871(...)89182023-02-20 00:59:59217.70.183.20110150%0101010101
6871(...)89182023-02-20 00:59:59217.70.178.23010150%0101010101
1011(...)08812023-02-26 00:59:5991.109.120.2910150%1001010101
1011(...)08812023-02-26 00:59:59158.69.126.13721010100%1010110101
1011(...)08812023-02-26 00:59:5980.12.242.1310150%1001010101
1011(...)08812023-02-26 00:59:59195.110.123.1510150%0101010101
1011(...)08812023-02-26 00:59:5980.12.242.2010150%1001010101
1011(...)08812023-02-26 00:59:5980.12.242.2110150%1001010101
1011(...)08812023-02-26 00:59:5980.12.242.1510150%1001010101
1011(...)08812023-02-26 00:59:5980.12.242.1310150%1001010101
1011(...)08812023-02-26 00:59:5981.88.62.16810150%0101010101
1011(...)08812023-02-26 00:59:59109.234.163.1820150%0101010101
1011(...)08812023-02-26 00:59:5991.216.107.3710150%1001010101
1011(...)08812023-02-26 00:59:592001:4b98:dc4:8::22210150%0101010101
1011(...)08812023-02-26 00:59:59188.130.25.14910150%0101010101
1011(...)08812023-02-26 00:59:5980.12.242.1710150%1001010101
1011(...)08812023-02-26 00:59:5980.12.242.1510150%1001010101
1011(...)08812023-02-26 00:59:592607:5300:60:9389:17:4:0:119310100%1010110101
1011(...)08812023-02-26 00:59:5982.165.159.1210150%1001010101
1011(...)08812023-02-26 00:59:59217.70.183.19610150%0101010101
1011(...)08812023-02-26 00:59:5993.17.128.20710150%0101010101
Recipient mail server statistics google.com for the domain w1a.zw3b.net
  • Past emails : 2,971
  • Error emails : 70
  • Total emails sent : 3,041
Destination ReportsSender DomainDMARConformanceSPFDKIM

infomaniak.com

w1a.zw3b.net

 Auth.Align.Poli.Auth.Align.Poli.
Report IDDateIp AddressEmail VolumePassFailRatePassFailPassFailPassPassFailPassFailPass
w1a.(...)68012023-02-26 00:00:002607:5300:60:9389:17:4:0:1110100%10101nullnullnullnull1
w1a.(...)20012023-02-19 00:00:002607:5300:60:9389:17:4:0:1110100%10101nullnullnullnull1
w1a.(...)72012023-02-12 00:00:00158.69.126.137110100%10101nullnullnullnull1
w1a.(...)24012023-02-05 00:00:002607:5300:60:9389:17:4:0:1110100%10101nullnullnullnull1
w1a.(...)24012023-02-05 00:00:00158.69.126.137110100%10101nullnullnullnull1
w1a.(...)88022023-02-06 00:00:002607:5300:60:9389:17:4:0:1110100%10101nullnullnullnull1
w1a.(...)36012023-02-13 00:00:00158.69.126.137110100%10101nullnullnullnull1
w1a.(...)36012023-02-13 00:00:002607:5300:60:9389:17:4:0:1110100%10101nullnullnullnull1
w1a.(...)84012023-02-20 00:00:002607:5300:60:9389:17:4:0:1110100%10101nullnullnullnull1
Recipient mail server statistics infomaniak.com for the domain w1a.zw3b.net
  • Past emails : 9
  • Error emails : 0
  • Total emails sent : 9
Destination ReportsSender DomainDMARConformanceSPFDKIM

netscape.net

w1a.zw3b.net

 Auth.Align.Poli.Auth.Align.Poli.
Report IDDateIp AddressEmail VolumePassFailRatePassFailPassFailPassPassFailPassFailPass
1676(...)53282023-02-19 00:59:59158.69.126.137110100%1010110101
1676(...)64772023-02-14 00:59:59158.69.126.137110100%1010110101
1675(...)18912023-02-07 00:59:59158.69.126.137110100%1010110101
1676(...)41992023-02-15 00:59:59158.69.126.137110100%1010110101
Recipient mail server statistics netscape.net for the domain w1a.zw3b.net
  • Past emails : 4
  • Error emails : 0
  • Total emails sent : 4
Destination ReportsSender DomainDMARConformanceSPFDKIM

protection.outlook.com

w1a.zw3b.net

 Auth.Align.Poli.Auth.Align.Poli.
Report IDDateIp AddressEmail VolumePassFailRatePassFailPassFailPassPassFailPassFailPass
97d3(...)f9b62023-02-27 01:00:00158.69.126.13720150%1010101010
97d3(...)f9b62023-02-27 01:00:00158.69.126.13730150%10101nullnull000
97d3(...)f9b62023-02-27 01:00:00158.69.126.137270150%10101nullnull000
97d3(...)f9b62023-02-27 01:00:00158.69.126.137430150%10101nullnull000
97d3(...)f9b62023-02-27 01:00:0087.98.135.1811010%0101001010
97d3(...)f9b62023-02-27 01:00:00158.69.126.1376530150%1010101010
97d3(...)f9b62023-02-27 01:00:00158.69.126.1375,2430150%1010101010
97d3(...)f9b62023-02-27 01:00:0080.12.242.191010%1001001010
97d3(...)f9b62023-02-27 01:00:00158.69.126.1372,4240150%1010101010
02f2(...)deda2023-02-12 01:00:00158.69.126.13710150%1010101010
02f2(...)deda2023-02-12 01:00:00158.69.126.137120150%10101nullnull000
02f2(...)deda2023-02-12 01:00:00158.69.126.137800150%10101nullnull000
02f2(...)deda2023-02-12 01:00:00158.69.126.1371460150%10101nullnull000
02f2(...)deda2023-02-12 01:00:00158.69.126.1377100150%1010101010
02f2(...)deda2023-02-12 01:00:00158.69.126.1376,2620150%1010101010
02f2(...)deda2023-02-12 01:00:00158.69.126.1372,8970150%1010101010
2684(...)656b2023-02-11 01:00:00158.69.126.13710150%1010101010
2684(...)656b2023-02-11 01:00:00158.69.126.13760150%10101nullnull000
2684(...)656b2023-02-11 01:00:00158.69.126.137200150%10101nullnull000
2684(...)656b2023-02-11 01:00:00158.69.126.137330150%10101nullnull000
2684(...)656b2023-02-11 01:00:00158.69.126.137250150%1010101010
2684(...)656b2023-02-11 01:00:00158.69.126.1371830150%1010101010
2684(...)656b2023-02-11 01:00:00158.69.126.137810150%1010101010
6fc6(...)84f22023-02-13 01:00:00158.69.126.13720150%10101nullnull000
6fc6(...)84f22023-02-13 01:00:00158.69.126.137210150%10101nullnull000
6fc6(...)84f22023-02-13 01:00:00158.69.126.137330150%10101nullnull000
6fc6(...)84f22023-02-13 01:00:0087.98.180.2131010%0101001010
6fc6(...)84f22023-02-13 01:00:00158.69.126.1376090150%1010101010
6fc6(...)84f22023-02-13 01:00:00158.69.126.1375,3860150%1010101010
6fc6(...)84f22023-02-13 01:00:00158.69.126.1372,4350150%1010101010
Recipient mail server statistics protection.outlook.com for the domain w1a.zw3b.net
  • Past emails : 0
  • Error emails : 27,341
  • Total emails sent : 27,341
Destination ReportsSender DomainDMARConformanceSPFDKIM

seznam.cz

w1a.zw3b.net

 Auth.Align.Poli.Auth.Align.Poli.
Report IDDateIp AddressEmail VolumePassFailRatePassFailPassFailPassPassFailPassFailPass
szn_(...)2-252023-02-26 01:00:002607:5300:60:9389:17:4:0:1110100%1010110101
szn_(...)2-112023-02-12 01:00:00158.69.126.137110100%1010110101
szn_(...)2-042023-02-05 01:00:00158.69.126.137110100%1010110101
szn_(...)2-182023-02-19 01:00:00158.69.126.137110100%1010110101
Recipient mail server statistics seznam.cz for the domain w1a.zw3b.net
  • Past emails : 4
  • Error emails : 0
  • Total emails sent : 4
Destination ReportsSender DomainDMARConformanceSPFDKIM

yahoo.ca

w1a.zw3b.net

 Auth.Align.Poli.Auth.Align.Poli.
Report IDDateIp AddressEmail VolumePassFailRatePassFailPassFailPassPassFailPassFailPass
1677(...)26882023-02-28 00:59:59158.69.126.137110100%1010110101
1676(...)89382023-02-17 00:59:59158.69.126.137310100%1010110101
1675(...)20852023-02-07 00:59:59158.69.126.137110100%1010110101
1675(...)98772023-02-02 00:59:59158.69.126.137110100%1010110101
1676(...)53642023-02-12 00:59:59158.69.126.137110100%1010110101
1676(...)90432023-02-20 00:59:59158.69.126.137210100%1010110101
Recipient mail server statistics yahoo.ca for the domain w1a.zw3b.net
  • Past emails : 9
  • Error emails : 0
  • Total emails sent : 9
Destination ReportsSender DomainDMARConformanceSPFDKIM

yahoo.co.uk

w1a.zw3b.net

 Auth.Align.Poli.Auth.Align.Poli.
Report IDDateIp AddressEmail VolumePassFailRatePassFailPassFailPassPassFailPassFailPass
1677(...)76232023-02-26 00:59:5951.15.151.2210150%1001010101
1677(...)82142023-02-24 00:59:59158.69.126.137110100%1010110101
1676(...)21332023-02-21 00:59:59158.69.126.137210100%1010110101
1676(...)96612023-02-17 00:59:59158.69.126.137110100%1010110101
1676(...)66812023-02-14 00:59:59158.69.126.137210100%1010110101
1676(...)56352023-02-12 00:59:59158.69.126.137110100%1010110101
1675(...)61782023-02-06 00:59:5951.15.151.2210150%1001010101
1675(...)42132023-02-03 00:59:59158.69.126.137110100%1010110101
1675(...)01142023-02-02 00:59:59158.69.126.137210100%1010110101
1675(...)99492023-02-05 00:59:59158.69.126.137110100%1010110101
1676(...)79722023-02-11 00:59:59158.69.126.137110100%1010110101
1676(...)28842023-02-13 00:59:5951.15.151.2210150%1001010101
1676(...)43932023-02-15 00:59:59158.69.126.137210100%1010110101
1676(...)93952023-02-20 00:59:59158.69.126.137110100%1010110101
1676(...)93952023-02-20 00:59:5951.15.151.2210150%1001010101
1677(...)27312023-02-23 00:59:59158.69.126.137110100%1010110101
1677(...)26032023-02-25 00:59:59158.69.126.137110100%1010110101
Recipient mail server statistics yahoo.co.uk for the domain w1a.zw3b.net
  • Past emails : 17
  • Error emails : 4
  • Total emails sent : 21
Destination ReportsSender DomainDMARConformanceSPFDKIM

yahoo.com

w1a.zw3b.net

 Auth.Align.Poli.Auth.Align.Poli.
Report IDDateIp AddressEmail VolumePassFailRatePassFailPassFailPassPassFailPassFailPass
1677(...)28902023-02-28 00:59:59158.69.126.1372910100%1010110101
1677(...)28902023-02-28 00:59:59158.69.126.137110100%10101nullnull001
1677(...)78052023-02-26 00:59:59158.69.126.1371110100%1010110101
1677(...)78052023-02-26 00:59:5980.12.242.1910150%1001010101
1677(...)83972023-02-24 00:59:59158.69.126.137510100%1010110101
1677(...)90982023-02-22 00:59:59158.69.126.137910100%1010110101
1676(...)97562023-02-20 00:59:59158.69.126.1371410100%1010110101
1676(...)08312023-02-18 00:59:59158.69.126.137210100%1010110101
1676(...)58952023-02-16 00:59:59158.69.126.137610100%1010110101
1676(...)70112023-02-14 00:59:59158.69.126.1371710100%1010110101
1676(...)70112023-02-14 00:59:59158.69.126.137110100%10101nullnull001
1676(...)59312023-02-12 00:59:59158.69.126.1371510100%1010110101
1675(...)09752023-02-10 00:59:59158.69.126.137810100%1010110101
1675(...)20842023-02-08 00:59:59158.69.126.1371210100%1010110101
1675(...)63632023-02-06 00:59:59158.69.126.1371210100%1010110101
1675(...)26722023-02-04 00:59:59158.69.126.137110100%1010110101
1675(...)05932023-02-02 00:59:59158.69.126.137510100%1010110101
1675(...)43052023-02-03 00:59:59158.69.126.137510100%1010110101
1675(...)01422023-02-05 00:59:59158.69.126.137610100%1010110101
1675(...)22652023-02-07 00:59:59158.69.126.1372010100%1010110101
1675(...)25112023-02-09 00:59:59158.69.126.137510100%1010110101
1676(...)81592023-02-11 00:59:59158.69.126.137210100%1010110101
1676(...)31712023-02-13 00:59:59158.69.126.1371710100%1010110101
1676(...)31712023-02-13 00:59:59158.69.126.137110100%10101nullnull001
1676(...)47232023-02-15 00:59:59158.69.126.137610100%1010110101
1676(...)99232023-02-17 00:59:59158.69.126.137510100%1010110101
1676(...)54302023-02-19 00:59:59158.69.126.137910100%1010110101
1676(...)54302023-02-19 00:59:59158.69.126.137110100%10101nullnull001
1676(...)24512023-02-21 00:59:59158.69.126.1371510100%1010110101
1677(...)29172023-02-23 00:59:59158.69.126.137910100%1010110101
1677(...)29082023-02-25 00:59:59158.69.126.137210100%1010110101
1677(...)04842023-02-27 00:59:59158.69.126.1371310100%1010110101
Recipient mail server statistics yahoo.com for the domain w1a.zw3b.net
  • Past emails : 264
  • Error emails : 1
  • Total emails sent : 265
Destination ReportsSender DomainDMARConformanceSPFDKIM

yahoo.com.br

w1a.zw3b.net

 Auth.Align.Poli.Auth.Align.Poli.
Report IDDateIp AddressEmail VolumePassFailRatePassFailPassFailPassPassFailPassFailPass
1677(...)24852023-02-27 00:59:59158.69.126.137110100%1010110101
1676(...)68252023-02-16 00:59:59158.69.126.137110100%1010110101
1675(...)82002023-02-06 00:59:59158.69.126.137110100%1010110101
1676(...)10662023-02-17 00:59:59158.69.126.137110100%1010110101
Recipient mail server statistics yahoo.com.br for the domain w1a.zw3b.net
  • Past emails : 4
  • Error emails : 0
  • Total emails sent : 4
Destination ReportsSender DomainDMARConformanceSPFDKIM

yahoo.de

w1a.zw3b.net

 Auth.Align.Poli.Auth.Align.Poli.
Report IDDateIp AddressEmail VolumePassFailRatePassFailPassFailPassPassFailPassFailPass
1677(...)91422023-02-24 00:59:59158.69.126.137110100%1010110101
1677(...)04602023-02-22 00:59:59158.69.126.137210100%1010110101
1676(...)62242023-02-19 00:59:59158.69.126.137110100%1010110101
1676(...)13252023-02-17 00:59:59158.69.126.137110100%1010110101
1676(...)56362023-02-15 00:59:59158.69.126.137310100%1010110101
1675(...)21962023-02-10 00:59:59158.69.126.137110100%1010110101
1675(...)14032023-02-02 00:59:59158.69.126.137310100%1010110101
1675(...)98992023-02-01 00:59:59158.69.126.137110100%1010110101
1675(...)46962023-02-03 00:59:59158.69.126.137310100%1010110101
1676(...)97392023-02-14 00:59:59158.69.126.137310100%1010110101
1676(...)70092023-02-16 00:59:59158.69.126.137110100%1010110101
1676(...)11912023-02-18 00:59:59158.69.126.137110100%1010110101
1676(...)46332023-02-21 00:59:59158.69.126.137210100%1010110101
1677(...)42922023-02-23 00:59:59158.69.126.137110100%1010110101
Recipient mail server statistics yahoo.de for the domain w1a.zw3b.net
  • Past emails : 24
  • Error emails : 0
  • Total emails sent : 24
Destination ReportsSender DomainDMARConformanceSPFDKIM

yahoo.fr

w1a.zw3b.net

 Auth.Align.Poli.Auth.Align.Poli.
Report IDDateIp AddressEmail VolumePassFailRatePassFailPassFailPassPassFailPassFailPass
1677(...)79582023-02-28 00:59:59158.69.126.1379210100%1010110101
1677(...)95892023-02-26 00:59:59158.69.126.1378710100%1010110101
1677(...)95892023-02-26 00:59:59158.69.126.137110100%10101nullnull001
1677(...)93292023-02-24 00:59:59158.69.126.13711710100%1010110101
1677(...)07982023-02-22 00:59:59158.69.126.13711410100%1010110101
1676(...)18842023-02-20 00:59:59158.69.126.1379110100%1010110101
1676(...)18842023-02-20 00:59:59158.69.126.137110100%10101nullnull001
1676(...)15022023-02-18 00:59:59158.69.126.1379910100%1010110101
1676(...)72202023-02-16 00:59:59158.69.126.13711410100%1010110101
1676(...)02222023-02-14 00:59:59158.69.126.1379310100%1010110101
1676(...)96952023-02-12 00:59:59158.69.126.1378610100%1010110101
1675(...)23972023-02-10 00:59:59158.69.126.13711510100%1010110101
1675(...)39402023-02-08 00:59:59158.69.126.13711310100%1010110101
1675(...)84212023-02-06 00:59:59158.69.126.1378010100%1010110101
1675(...)84212023-02-06 00:59:59158.69.126.137410100%10101nullnull001
1675(...)33682023-02-04 00:59:59158.69.126.137810100%1010110101
1675(...)18942023-02-02 00:59:59158.69.126.13721610100%1010110101
1675(...)18942023-02-02 00:59:59158.69.126.137110100%10101nullnull001
1675(...)02022023-02-01 00:59:59158.69.126.13713010100%1010110101
1675(...)49362023-02-03 00:59:59158.69.126.13724410100%1010110101
1675(...)49362023-02-03 00:59:59158.69.126.137110100%10101nullnull001
1675(...)10732023-02-05 00:59:59158.69.126.1378510100%1010110101
1675(...)10732023-02-05 00:59:59158.69.126.137110100%10101nullnull001
1675(...)51582023-02-07 00:59:59158.69.126.1379410100%1010110101
1675(...)37992023-02-09 00:59:59158.69.126.13711710100%1010110101
1676(...)85072023-02-11 00:59:59158.69.126.13710810100%1010110101
1676(...)73222023-02-13 00:59:59158.69.126.1377310100%1010110101
1676(...)61092023-02-15 00:59:59158.69.126.13711410100%1010110101
1676(...)16042023-02-17 00:59:59158.69.126.13711510100%1010110101
1676(...)63272023-02-19 00:59:59158.69.126.1376910100%1010110101
1676(...)63272023-02-19 00:59:59158.69.126.137110100%10101nullnull001
1676(...)49582023-02-21 00:59:59158.69.126.13710710100%1010110101
1677(...)44862023-02-23 00:59:59158.69.126.13710810100%1010110101
1677(...)32522023-02-25 00:59:59158.69.126.13711210100%1010110101
1677(...)26852023-02-27 00:59:59158.69.126.1378910100%1010110101
Recipient mail server statistics yahoo.fr for the domain w1a.zw3b.net
  • Past emails : 3,000
  • Error emails : 0
  • Total emails sent : 3,000
Destination ReportsSender DomainDMARConformanceSPFDKIM

yahoo.ie

w1a.zw3b.net

 Auth.Align.Poli.Auth.Align.Poli.
Report IDDateIp AddressEmail VolumePassFailRatePassFailPassFailPassPassFailPassFailPass
1677(...)64312023-02-24 00:59:59158.69.126.137110100%1010110101
1675(...)11112023-02-06 00:59:59158.69.126.137110100%1010110101
1677(...)06272023-02-23 00:59:59158.69.126.137110100%1010110101
Recipient mail server statistics yahoo.ie for the domain w1a.zw3b.net
  • Past emails : 3
  • Error emails : 0
  • Total emails sent : 3
Destination ReportsSender DomainDMARConformanceSPFDKIM

yahoo.it

w1a.zw3b.net

 Auth.Align.Poli.Auth.Align.Poli.
Report IDDateIp AddressEmail VolumePassFailRatePassFailPassFailPassPassFailPassFailPass
1675(...)88792023-02-10 00:59:59158.69.126.137310100%1010110101
1675(...)07702023-02-08 00:59:59158.69.126.137110100%1010110101
Recipient mail server statistics yahoo.it for the domain w1a.zw3b.net
  • Past emails : 4
  • Error emails : 0
  • Total emails sent : 4
Destination ReportsSender DomainDMARConformanceSPFDKIM

ymail.com

w1a.zw3b.net

 Auth.Align.Poli.Auth.Align.Poli.
Report IDDateIp AddressEmail VolumePassFailRatePassFailPassFailPassPassFailPassFailPass
1677(...)60642023-02-27 00:59:59158.69.126.137110100%1010110101
1676(...)74982023-02-12 00:59:59158.69.126.137110100%1010110101
1675(...)11032023-02-08 00:59:59158.69.126.137110100%1010110101
1676(...)38922023-02-14 00:59:59158.69.126.137210100%1010110101
Recipient mail server statistics ymail.com for the domain w1a.zw3b.net
  • Past emails : 5
  • Error emails : 0
  • Total emails sent : 5
Destination ReportsSender DomainDMARConformanceSPFDKIM

protection.outlook.com

zw3b.net

 Auth.Align.Poli.Auth.Align.Poli.
Report IDDateIp AddressEmail VolumePassFailRatePassFailPassFailPassPassFailPassFailPass
f33c(...)fce12023-02-27 01:00:00158.69.126.13720150%1010101010
f33c(...)fce12023-02-27 01:00:00158.69.126.13790150%1010101010
f33c(...)fce12023-02-27 01:00:00158.69.126.13760150%1010101010
9ac5(...)4cbe2023-02-26 01:00:00158.69.126.13710150%1010101010
9ac5(...)4cbe2023-02-26 01:00:00158.69.126.137220150%1010101010
9ac5(...)4cbe2023-02-26 01:00:00158.69.126.13750150%1010101010
9ac5(...)4cbe2023-02-26 01:00:00158.69.126.13730150%10101nullnull000
9ac5(...)4cbe2023-02-26 01:00:00158.69.126.13710150%10101nullnull000
Recipient mail server statistics protection.outlook.com for the domain zw3b.net
  • Past emails : 0
  • Error emails : 49
  • Total emails sent : 49
Global statistics of the month (JSON file)

  • E-mails sent : 34,838
  • E-mails past : 7,373
  • E-mails errors : 27,387

DMARC statistics on spoofing servers :

  1. Address IP sender : 109.234.163.18 corbeau.smtp.jabatus.fr. (8 emails sent unauthorized)
  2. Address IP sender : 91.194.100.42 mail3.novius.net. (4 emails sent unauthorized)
  3. Address IP sender : 91.109.120.29 smtp2.netanswer.fr. (4 emails sent unauthorized)
  4. Address IP sender : 91.216.107.37 mail20.lwspanel.com. (4 emails sent unauthorized)
  5. Address IP sender : 5.39.4.2 mail.espci.org. (4 emails sent unauthorized)
  6. Address IP sender : 51.15.151.22 19.znix-out.gorgu.net. (4 emails sent unauthorized)
  7. Address IP sender : 217.72.192.73 mout.kundenserver.de. (3 emails sent unauthorized)
  8. Address IP sender : 188.130.25.149 smtpout9.phpnet.org. (3 emails sent unauthorized)
  9. Address IP sender : 80.12.242.19 smtp-19.smtpout.orange.fr. (2 emails sent unauthorized)
  10. Address IP sender : 24.41.67.41 smarth-prod1.sys.elnk.net. (2 emails sent unauthorized)
  11. Address IP sender : 212.227.17.13 mout.kundenserver.de. (2 emails sent unauthorized)
  12. Address IP sender : 82.165.159.12 mout-xforward.gmx.net. (2 emails sent unauthorized)
  13. Address IP sender : 80.12.242.17 smtp-17.smtpout.orange.fr. (2 emails sent unauthorized)
  14. Address IP sender : 212.227.126.130 mout.kundenserver.de. (2 emails sent unauthorized)
  15. Address IP sender : 80.12.242.13 smtp-13.smtpout.orange.fr. (2 emails sent unauthorized)
  16. Address IP sender : 80.12.242.21 smtp-21.smtpout.orange.fr. (2 emails sent unauthorized)
  17. Address IP sender : 80.12.242.15 smtp-15.smtpout.orange.fr. (2 emails sent unauthorized)
  18. Address IP sender : 217.70.178.231 relay11.mail.gandi.net. (1 emails sent unauthorized)
  19. Address IP sender : 87.98.180.213 10.mo555.mail-out.ovh.net. (1 emails sent unauthorized)
  20. Address IP sender : 87.98.186.128 9.mo553.mail-out.ovh.net. (1 emails sent unauthorized)
  21. Address IP sender : 24.41.67.42 smarth-prod2.sys.elnk.net. (1 emails sent unauthorized)
  22. Address IP sender : 87.98.135.181 45.mo551.mail-out.ovh.net. (1 emails sent unauthorized)
  23. Address IP sender : 82.165.159.13 mout-xforward.gmx.net. (1 emails sent unauthorized)
  24. Address IP sender : 81.88.63.133 forwardlnxsmtp56.register.it. (1 emails sent unauthorized)
  25. Address IP sender : 178.32.102.24 2.mo551.mail-out.ovh.net. (1 emails sent unauthorized)
  26. Address IP sender : 81.88.62.168 forwardlnxsmtp43.register.it. (1 emails sent unauthorized)
  27. Address IP sender : 217.72.192.75 mout.kundenserver.de. (1 emails sent unauthorized)
  28. Address IP sender : 2001:4b98:dc4:8::222 relay2-d.mail.gandi.net. (1 emails sent unauthorized)
  29. Address IP sender : 46.105.34.162 13.mo558.mail-out.ovh.net. (1 emails sent unauthorized)
  30. Address IP sender : 93.17.128.207 smtp26.services.sfr.fr. (1 emails sent unauthorized)
  31. Address IP sender : 188.130.25.150 smtpout10.phpnet.org. (1 emails sent unauthorized)
  32. Address IP sender : 217.70.183.196 relay4-d.mail.gandi.net. (1 emails sent unauthorized)
  33. Address IP sender : 2001:4b98:dc4:8::223 relay3-d.mail.gandi.net. (1 emails sent unauthorized)
  34. Address IP sender : 82.165.159.14 mout-xforward.gmx.net. (1 emails sent unauthorized)
  35. Address IP sender : 217.70.183.200 relay7-d.mail.gandi.net. (1 emails sent unauthorized)
  36. Address IP sender : 217.70.183.199 relay9-d.mail.gandi.net. (1 emails sent unauthorized)
  37. Address IP sender : 87.98.162.195 8.mo554.mail-out.ovh.net. (1 emails sent unauthorized)
  38. Address IP sender : 217.70.183.201 relay8-d.mail.gandi.net. (1 emails sent unauthorized)
  39. Address IP sender : 217.70.178.230 relay10.mail.gandi.net. (1 emails sent unauthorized)
  40. Address IP sender : 195.110.123.15 forwardlnxsmtp86.register.it. (1 emails sent unauthorized)
  41. Address IP sender : 80.12.242.20 smtp-20.smtpout.orange.fr. (1 emails sent unauthorized)
  42. Address IP sender : 195.110.123.12 forwardlnxsmtp83.register.it. (1 emails sent unauthorized)
  43. Address IP sender : 104.248.224.170 mx2.forwardemail.net. (1 emails sent unauthorized)

  • Mail sender servers unauthorized : 43
  • E-mails unauthorized : 78

And above all, could a competent authority verify the IP addresses of usurpers ? Should I add "and sanction them" or am I to do it ? Thank you !

Supports DMARC:

Install "Mail-DMARC" protection on the mail server as security against non-domain compliant incoming (receiving) mail based on message authentication and good compliance :


If you want to install "Mail-DMARC Security and reporting" on your mail server, you can use this OpenSource solution (perl) which will allow you to secure your mailboxes from incoming messages not compliant DMARC.




Otherwise, you can install Rspamd, free antispam software, written in C and distributed under the Apache license; an alternative solution to SpamAssassin.
Rspamd is broadly customizable and allows multiple strategies to avoid Spam and false positives. In conclusion, Rspamd team is not only giving an incredible spam filtering system and email processing framework that allows evaluation of messages by a number of rules including regular expressions.






Welcome !

Author of the section

ZW3B

ZW3B

  • Firstname : The Web
  • Lastname : : Master
  • Arrived on tuesday 09 august 2011 (2011/08/09 00:00)
    12 years activity !




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