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2600:141b:f000:1086::3544  Public Scan

Go To Rescan Add Verdict Report
Submitted URL: https://go.microsoft.com/fwlink/?LinkId=389363
Effective URL: https://learn.microsoft.com/en-ca/exchange/mail-flow-best-practices/non-delivery-reports-in-exchange-online/fix-error-code-5...
Submission: On November 25 via api from US — Scanned from CA
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 3 IPs in 1 countries across 2 domains to perform 16 HTTP transactions. The main IP is 2600:141b:f000:1086::3544, located in Edison, United States and belongs to AKAMAI-ASN1, NL. The main domain is learn.microsoft.com. The Cisco Umbrella rank of the primary domain is 10844.
TLS certificate: Issued by Microsoft Azure TLS Issuing CA 05 on September 2nd 2022. Valid for: a year.
This is the only time learn.microsoft.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 1 2600:141b:f00... 20940 (AKAMAI-ASN1)
1 15 2600:141b:f00... 20940 (AKAMAI-ASN1)
2 2620:1ec:46::40 8068 (MICROSOFT...)
16 3
Apex Domain
Subdomains		 Transfer
17 microsoft.com
go.microsoft.com — Cisco Umbrella Rank: 227
learn.microsoft.com — Cisco Umbrella Rank: 10844
wcpstatic.microsoft.com — Cisco Umbrella Rank: 5321
831 KB
1 azure.com
js.monitor.azure.com — Cisco Umbrella Rank: 1795
61 KB
16 2
Domain Requested by
15 learn.microsoft.com 1 redirects learn.microsoft.com
1 js.monitor.azure.com learn.microsoft.com
1 wcpstatic.microsoft.com learn.microsoft.com
1 go.microsoft.com 1 redirects
16 4
Subject Issuer Validity Valid
learn.microsoft.com
Microsoft Azure TLS Issuing CA 05		 2022-09-02 -
2023-08-28		 a year crt.sh
wcpstatic.microsoft.com
DigiCert TLS RSA SHA256 2020 CA1		 2022-03-10 -
2023-03-10		 a year crt.sh
js.monitor.azure.com
Microsoft Azure TLS Issuing CA 01		 2022-09-24 -
2023-09-19		 a year crt.sh

This page contains 1 frames:

Primary Page: https://learn.microsoft.com/en-ca/exchange/mail-flow-best-practices/non-delivery-reports-in-exchange-online/fix-error-code-550-5-1-1-through-5-1-20-in-exchange-online
Frame ID: B171B65B038ABFE7507CC3FAB036184F
Requests: 17 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

Fix email delivery issues for error code 550 5.1.1 through 5.1.20 in Exchange Online | Microsoft Learn

Page URL History Show full URLs

  1. https://go.microsoft.com/fwlink/?LinkId=389363 HTTP 302
    https://learn.microsoft.com/exchange/mail-flow-best-practices/non-delivery-reports-in-exchange-online/fi... HTTP 301
    https://learn.microsoft.com/en-ca/exchange/mail-flow-best-practices/non-delivery-reports-in-exchange-onl... Page URL

Page Statistics

16
Requests

100 %
HTTPS

100 %
IPv6

2
Domains

4
Subdomains

3
IPs

1
Countries

891 kB
Transfer

2875 kB
Size

3
Cookies

Page URL History

This captures the URL locations of the websites, including HTTP redirects and client-side redirects via JavaScript or Meta fields.

  1. https://go.microsoft.com/fwlink/?LinkId=389363 HTTP 302
    https://learn.microsoft.com/exchange/mail-flow-best-practices/non-delivery-reports-in-exchange-online/fix-error-code-550-5-1-1-through-5-1-20-in-exchange-online HTTP 301
    https://learn.microsoft.com/en-ca/exchange/mail-flow-best-practices/non-delivery-reports-in-exchange-online/fix-error-code-550-5-1-1-through-5-1-20-in-exchange-online Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

16 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request fix-error-code-550-5-1-1-through-5-1-20-in-exchange-online
learn.microsoft.com/en-ca/exchange/mail-flow-best-practices/non-delivery-reports-in-exchange-online/
Redirect Chain
  • https://go.microsoft.com/fwlink/?LinkId=389363
  • https://learn.microsoft.com/exchange/mail-flow-best-practices/non-delivery-reports-in-exchange-online/fix-error-code-550-5-1-1-through-5-1-20-in-exchange-online
  • https://learn.microsoft.com/en-ca/exchange/mail-flow-best-practices/non-delivery-reports-in-exchange-online/fix-error-code-550-5-1-1-through-5-1-20-in-exchange-online
51 KB
16 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://learn.microsoft.com/en-ca/exchange/mail-flow-best-practices/non-delivery-reports-in-exchange-online/fix-error-code-550-5-1-1-through-5-1-20-in-exchange-online
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2600:141b:f000:1086::3544 Edison, United States, ASN20940 (AKAMAI-ASN1, NL),
Reverse DNS
Software
/
Resource Hash
bade1a9c1f818531f5c27ed28e42d2959f6a29d87d6e207e94bfd5b32ed22433
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.121 Safari/537.36
accept-language
en-CA,en;q=0.9

Response headers

akamai-cache-status
Hit from child
cache-control
public, max-age=595
content-encoding
gzip
content-length
15346
content-type
text/html
date
Fri, 25 Nov 2022 13:48:12 GMT
etag
"KQlED8EEgTXh+8s6E+yaiU2JCI+PrQfsXWIVw4croHw="
expires
Fri, 25 Nov 2022 13:58:07 GMT
nel
{"report_to":"network-errors","max_age":604800,"success_fraction":0.01,"failure_fraction":1.0}
report-to
{"group":"network-errors","max_age":604800,"endpoints":[{"url":"https://mdec.nelreports.net/api/report?cat=mdocs"}]}
request-context
appId=cid-v1:b1c5b6ea-7ff0-41d3-9862-84c5e1dc3be7
strict-transport-security
max-age=31536000; includeSubDomains; preload
vary
Accept-Encoding
x-azure-ref
0Ue1+YwAAAACHvEMGe5mtQYcPaUC7Y0vgRVdSMzExMDAwMTEwMDExADcxNjg5MjBlLTlmNWItNGE2Mi1iMTZlLWQ1YmU2M2NlNjFlNw==
x-content-type-options
nosniff
x-datacenter
wus
x-frame-options
SAMEORIGIN
x-rendering-stack
Dynamic
x-ua-compatible
IE=edge
x-xss-protection
1; mode=block

Redirect headers

akamai-cache-status
Miss from child, Miss from parent
cache-control
no-cache, no-store
content-length
0
date
Fri, 25 Nov 2022 13:48:12 GMT
expires
Fri, 25 Nov 2022 13:48:12 GMT
location
/en-ca/exchange/mail-flow-best-practices/non-delivery-reports-in-exchange-online/fix-error-code-550-5-1-1-through-5-1-20-in-exchange-online
nel
{"report_to":"network-errors","max_age":604800,"success_fraction":0.01,"failure_fraction":1.0}
report-to
{"group":"network-errors","max_age":604800,"endpoints":[{"url":"https://mdec.nelreports.net/api/report?cat=mdocs"}]}
request-context
appId=cid-v1:8f3babe3-1612-4642-87ca-e9e867ad0935
strict-transport-security
max-age=31536000; includeSubDomains; preload
x-azure-ref
0nMeAYwAAAAA5zPg8X9NERK4bF6+kzFMPRVdSMzBFREdFMTUxMwA3MTY4OTIwZS05ZjViLTRhNjItYjE2ZS1kNWJlNjNjZTYxZTc=
x-content-type-options
nosniff
x-datacenter
eus
x-frame-options
SAMEORIGIN
x-ua-compatible
IE=edge
x-xss-protection
1; mode=block
a18eeeea.site-ltr.css
learn.microsoft.com/_themes/docs.theme/master/en-ca/_themes/styles/ 		467 KB
69 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://learn.microsoft.com/_themes/docs.theme/master/en-ca/_themes/styles/a18eeeea.site-ltr.css
Requested by
Host: learn.microsoft.com
URL: https://learn.microsoft.com/en-ca/exchange/mail-flow-best-practices/non-delivery-reports-in-exchange-online/fix-error-code-550-5-1-1-through-5-1-20-in-exchange-online
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2600:141b:f000:1086::3544 Edison, United States, ASN20940 (AKAMAI-ASN1, NL),
Reverse DNS
Software
/
Resource Hash
ccd8698758d417ec6f3e42cef3c707d8ffce41769d38829f584f9b9a87ab180c
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

accept-language
en-CA,en;q=0.9
Referer
https://learn.microsoft.com/en-ca/exchange/mail-flow-best-practices/non-delivery-reports-in-exchange-online/fix-error-code-550-5-1-1-through-5-1-20-in-exchange-online
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.121 Safari/537.36

Response headers

strict-transport-security
max-age=31536000; includeSubDomains; preload
content-encoding
gzip
x-content-type-options
nosniff
date
Fri, 25 Nov 2022 13:48:12 GMT
nel
{"report_to":"network-errors","max_age":604800,"success_fraction":0.01,"failure_fraction":1.0}
akamai-cache-status
Hit from child
content-length
70160
x-xss-protection
1; mode=block
x-ua-compatible
IE=edge
request-context
appId=cid-v1:8f3babe3-1612-4642-87ca-e9e867ad0935
last-modified
Mon, 21 Nov 2022 22:28:49 GMT
x-datacenter
eus
etag
"0x8DACC0FC3261B04"
x-frame-options
SAMEORIGIN
report-to
{"group":"network-errors","max_age":604800,"endpoints":[{"url":"https://mdec.nelreports.net/api/report?cat=mdocs"}]}
content-type
text/css
x-azure-ref
0r/t7YwAAAABqP3IdK9aWTaX6iKQpEAreRVdSMzExMDAwMTA5MDM3ADcxNjg5MjBlLTlmNWItNGE2Mi1iMTZlLWQ1YmU2M2NlNjFlNw==
vary
Accept-Encoding
cache-control
public, max-age=290498
expires
Mon, 28 Nov 2022 22:29:50 GMT
wcp-consent.js
wcpstatic.microsoft.com/mscc/lib/v2/ 		51 KB
13 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://wcpstatic.microsoft.com/mscc/lib/v2/wcp-consent.js
Requested by
Host: learn.microsoft.com
URL: https://learn.microsoft.com/en-ca/exchange/mail-flow-best-practices/non-delivery-reports-in-exchange-online/fix-error-code-550-5-1-1-through-5-1-20-in-exchange-online
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
2620:1ec:46::40 , United States, ASN8068 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
/
Resource Hash
daf7759fedd9af6c4d7e374b0d056547ae7cb245ec24a1c4acf02932f30dc536

Request headers

accept-language
en-CA,en;q=0.9
Referer
https://learn.microsoft.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.121 Safari/537.36

Response headers

x-ms-blob-type
BlockBlob
date
Fri, 25 Nov 2022 13:48:12 GMT
content-encoding
gzip
content-md5
QT/MdZzBmCG2G2lBgIsptQ==
age
28399
x-cache
CONFIG_NOCACHE
content-length
13055
x-ms-lease-status
unlocked
last-modified
Wed, 24 Aug 2022 17:34:58 GMT
etag
0x8DA85F6F74C6D08
vary
Accept-Encoding
x-azure-ref
0nMeAYwAAAAAfX/mGIfULRL8YZmOCmqiDVEVCMzFFREdFMDcwOQAzOWI0NjE1Ny1jYjllLTQ5YjctYTY1YS04NzIyYTNmODI0ZTQ=
content-type
application/javascript
access-control-allow-origin
*
x-ms-request-id
2b3de73a-f01e-006c-1792-008148000000
access-control-expose-headers
x-ms-request-id,Server,x-ms-version,Content-Length,Date,Transfer-Encoding
cache-control
max-age=43200
x-ms-version
2009-09-19
ms.jsll-3.min.js
js.monitor.azure.com/scripts/c/ 		179 KB
61 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://js.monitor.azure.com/scripts/c/ms.jsll-3.min.js
Requested by
Host: learn.microsoft.com
URL: https://learn.microsoft.com/en-ca/exchange/mail-flow-best-practices/non-delivery-reports-in-exchange-online/fix-error-code-550-5-1-1-through-5-1-20-in-exchange-online
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_256_GCM
Server
2620:1ec:46::40 , United States, ASN8068 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
/
Resource Hash
cacd215430aa66f1391abd136f23ddb729b3fe44c6385a43b62d7a9e8479ea03

Request headers

accept-language
en-CA,en;q=0.9
Referer
https://learn.microsoft.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.121 Safari/537.36

Response headers

date
Fri, 25 Nov 2022 13:48:12 GMT
content-encoding
br
x-azure-ref-originshield
0I8OAYwAAAAD6/ZKsTj/RQpqCV3q500kcRE0yQUExMDkxMjA3MDMxAGYxY2E3M2Q0LTg4ODMtNGNhZi1hYmRjLWZlMmQ1NjdhZmI5Ng==
content-md5
yrkf9GZ1Xvz6HYOCdF/nTw==
x-cache
TCP_HIT
x-ms-meta-jssdkver
3.2.8
last-modified
Wed, 02 Nov 2022 19:31:15 GMT
x-ms-meta-jssdksrc
[cdn]/scripts/c/ms.jsll-3.2.8.min.js
etag
0x8DABD08CF2EB3C0
x-azure-ref
0nMeAYwAAAABFprPy0qhDQIVxUlvBNGpIQ0hJMzBFREdFMDUxOQBmMWNhNzNkNC04ODgzLTRjYWYtYWJkYy1mZTJkNTY3YWZiOTY=
content-type
text/javascript; charset=utf-8
access-control-allow-origin
*
x-ms-request-id
8802b41c-d01e-00cb-22d1-0039d8000000
access-control-expose-headers
x-ms-request-id,Server,x-ms-version,x-ms-meta-jssdkver,x-ms-meta-jssdksrc,Content-Type,Cache-Control,Last-Modified,ETag,Content-MD5,x-ms-lease-status,x-ms-blob-type,Content-Length,Date,Transfer-Encoding
cache-control
public, max-age=1800, immutable, no-transform
x-ms-version
2009-09-19
67a45209.deprecation.js
learn.microsoft.com/_themes/docs.theme/master/en-ca/_themes/global/ 		1 KB
1 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://learn.microsoft.com/_themes/docs.theme/master/en-ca/_themes/global/67a45209.deprecation.js
Requested by
Host: learn.microsoft.com
URL: https://learn.microsoft.com/en-ca/exchange/mail-flow-best-practices/non-delivery-reports-in-exchange-online/fix-error-code-550-5-1-1-through-5-1-20-in-exchange-online
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2600:141b:f000:1086::3544 Edison, United States, ASN20940 (AKAMAI-ASN1, NL),
Reverse DNS
Software
/
Resource Hash
f8ae8a1dc7ce7877b9fb9299183d2ebb3befad0b6489ae785d99047ec2eb92d1
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

accept-language
en-CA,en;q=0.9
Referer
https://learn.microsoft.com/en-ca/exchange/mail-flow-best-practices/non-delivery-reports-in-exchange-online/fix-error-code-550-5-1-1-through-5-1-20-in-exchange-online
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.121 Safari/537.36

Response headers

strict-transport-security
max-age=31536000; includeSubDomains; preload
content-encoding
gzip
x-content-type-options
nosniff
date
Fri, 25 Nov 2022 13:48:12 GMT
nel
{"report_to":"network-errors","max_age":604800,"success_fraction":0.01,"failure_fraction":1.0}
akamai-cache-status
Hit from child
content-length
588
x-xss-protection
1; mode=block
x-ua-compatible
IE=edge
request-context
appId=cid-v1:b1c5b6ea-7ff0-41d3-9862-84c5e1dc3be7
last-modified
Fri, 18 Nov 2022 23:54:14 GMT
x-datacenter
wus
etag
"0x8DAC9C032416858"
x-frame-options
SAMEORIGIN
report-to
{"group":"network-errors","max_age":604800,"endpoints":[{"url":"https://mdec.nelreports.net/api/report?cat=mdocs"}]}
content-type
application/javascript
x-azure-ref
0Ymx7YwAAAADfIVTX5S/BRrutljm+/CywRVdSMzExMDAwMTA5MDI5ADcxNjg5MjBlLTlmNWItNGE2Mi1iMTZlLWQ1YmU2M2NlNjFlNw==
vary
Accept-Encoding
cache-control
public, max-age=253763
expires
Mon, 28 Nov 2022 12:17:35 GMT
20d3117b.index-docs.js
learn.microsoft.com/_themes/docs.theme/master/en-ca/_themes/scripts/ 		2 MB
534 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://learn.microsoft.com/_themes/docs.theme/master/en-ca/_themes/scripts/20d3117b.index-docs.js
Requested by
Host: learn.microsoft.com
URL: https://learn.microsoft.com/en-ca/exchange/mail-flow-best-practices/non-delivery-reports-in-exchange-online/fix-error-code-550-5-1-1-through-5-1-20-in-exchange-online
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2600:141b:f000:1086::3544 Edison, United States, ASN20940 (AKAMAI-ASN1, NL),
Reverse DNS
Software
/
Resource Hash
847925fc39f89ab12325e7e9450d729ffa04314d2f9464324f157678caee01dc
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

accept-language
en-CA,en;q=0.9
Referer
https://learn.microsoft.com/en-ca/exchange/mail-flow-best-practices/non-delivery-reports-in-exchange-online/fix-error-code-550-5-1-1-through-5-1-20-in-exchange-online
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.121 Safari/537.36

Response headers

strict-transport-security
max-age=31536000; includeSubDomains; preload
content-encoding
gzip
x-content-type-options
nosniff
date
Fri, 25 Nov 2022 13:48:12 GMT
nel
{"report_to":"network-errors","max_age":604800,"success_fraction":0.01,"failure_fraction":1.0}
akamai-cache-status
Hit from child
content-length
545176
x-xss-protection
1; mode=block
x-ua-compatible
IE=edge
request-context
appId=cid-v1:b1c5b6ea-7ff0-41d3-9862-84c5e1dc3be7
last-modified
Wed, 23 Nov 2022 01:18:40 GMT
x-datacenter
wus
etag
"0x8DACCF0A7E2E13B"
x-frame-options
SAMEORIGIN
report-to
{"group":"network-errors","max_age":604800,"endpoints":[{"url":"https://mdec.nelreports.net/api/report?cat=mdocs"}]}
content-type
application/javascript
x-azure-ref
0FoF9YwAAAAA9U5renNZ3Qo/zjqcy6we6RVdSMzExMDAwMTA5MDIxADcxNjg5MjBlLTlmNWItNGE2Mi1iMTZlLWQ1YmU2M2NlNjFlNw==
vary
Accept-Encoding
cache-control
public, max-age=390138
expires
Wed, 30 Nov 2022 02:10:30 GMT
31425afd-41a9-435e-aa85-6886277c369b.png
learn.microsoft.com/en-ca/exchange/exchangeonline/media/ 		745 B
1 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://learn.microsoft.com/en-ca/exchange/exchangeonline/media/31425afd-41a9-435e-aa85-6886277c369b.png
Requested by
Host: learn.microsoft.com
URL: https://learn.microsoft.com/en-ca/exchange/mail-flow-best-practices/non-delivery-reports-in-exchange-online/fix-error-code-550-5-1-1-through-5-1-20-in-exchange-online
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2600:141b:f000:1086::3544 Edison, United States, ASN20940 (AKAMAI-ASN1, NL),
Reverse DNS
Software
/
Resource Hash
ab159582469134acf969ee184c9692357fcc7bba272c4255bcbc2991f6cf8b16
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

accept-language
en-CA,en;q=0.9
Referer
https://learn.microsoft.com/en-ca/exchange/mail-flow-best-practices/non-delivery-reports-in-exchange-online/fix-error-code-550-5-1-1-through-5-1-20-in-exchange-online
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.5304.121 Safari/537.36

Response headers

strict-transport-security
max-age=31536000; includeSubDomains; preload
date
Fri, 25 Nov 2022 13:48:12 GMT
x-content-type-options
nosniff
akamai-cache-status
Hit from child
nel
{"report_to":"network-errors","max_age":604800,"success_fraction":0.01,"failure_fraction":1.0}
content-length
745
x-xss-protection
1; mode=block
x-ua-compatible
IE=edge
x-rendering-stack
Static
request-context
appId=cid-v1:8f3babe3-1612-4642-87ca-e9e867ad0935
last-modified
Wed, 10 Mar 2021 17:41:50 GMT
x-datacenter
eus
etag
"0x8D8E3EBC8E44AE0"
x-frame-options
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Verdicts & Comments Add Verdict or Comment

11 JavaScript Global Variables

These are the non-standard "global" variables defined on the window object. These can be helpful in identifying possible client-side frameworks and code.

object| msDocs function| WcpConsent function| mscc object| e function| t object| oneDS object| __dynProto$Gbl object| awa function| FormBehaviorElement function| applyFocusVisiblePolyfill object| litHtmlVersions

3 Cookies

Domain/Path Name / Value
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Value: https://learn.microsoft.com/exchange/mail-flow-best-practices/non-delivery-reports-in-exchange-online/fix-error-code-550-5-1-1-through-5-1-20-in-exchange-online
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Security Headers

This page lists any security headers set by the main page. If you want to understand what these mean and how to use them, head on over to this page

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