{"id":18830,"date":"2026-10-08T06:02:13","date_gmt":"2026-10-07T21:02:13","guid":{"rendered":"https:\/\/m365jp.net\/?p=18830"},"modified":"2026-10-08T06:10:33","modified_gmt":"2026-10-07T21:10:33","slug":"servicedegradation-ex1483619-exchange-online-some-users-email-with-docusign-urls-may-not-be-delivered-and-may-be-quarantined-due-to-url-reputation","status":"publish","type":"post","link":"https:\/\/m365jp.net\/index.php\/2026-10-08-servicedegradation-ex1483619-exchange-online-some-users-email-with-docusign-urls-may-not-be-delivered-and-may-be-quarantined-due-to-url-reputation","title":{"rendered":"[serviceDegradation] EX1483619 | Exchange Online | Some users’ email with DocuSign URLs may not be delivered and may be quarantined due to URL reputation"},"content":{"rendered":"
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EX1483619 | Exchange Online | Some users’ email with DocuSign URLs may not be delivered and may be quarantined due to URL reputation<\/th>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n\n\n\n\n\n\n\n\n\n\n
Status<\/th>\nserviceDegradation<\/td>\n<\/tr>\n
Classification<\/th>\nincident<\/td>\n<\/tr>\n
User Impact<\/th>\nUsers’ email with DocuSign URLs may not have been delivered and may have been quarantined due to URL reputation.<\/td>\n<\/tr>\n
Last Updated<\/th>\n10\/07\/2026 20:36:50<\/td>\n<\/tr>\n
Start Time<\/th>\n09\/28\/2026 02:36:00<\/td>\n<\/tr>\n
End Time<\/th>\n10\/01\/2026 23:59:00<\/td>\n<\/tr>\n
Latest Message<\/th>\nTitle: Some users’ email with DocuSign URLs may not be delivered and may be quarantined due to URL reputation <\/p>\n

User impact: Users’ email with DocuSign URLs may not have been delivered and may have been quarantined due to URL reputation. <\/p>\n

Final status: We’ve completed manual mitigation of the remaining affected messages and completed implementation of adjustments to our ML model to ensure its correctly sorting email messages containing DocuSign URLs while maintaining the ability to identify and prevent harmful content from reaching users. We’ve validated from our service telemetry and from a subset of reporting affected users that impact is remediated. <\/p>\n

Scope of impact: This issue may have affected some users attempting to send emails with DocuSign URLs, who may have seen messages not being delivered and quarantined due to URL reputation. <\/p>\n

Start time: Monday, September 28, 2026, at 2:36 AM UTC <\/p>\n

End time: Thursday, October 1, 2026, at 11:59 PM UTC <\/p>\n

Root cause: The Microsoft URL evaluation process was incorrectly identifying the affected messages as potentially malicious due to the URL inclusion, resulting in impact. <\/p>\n

Next steps:
– We’re analyzing our URL evaluation process to validate what additional changes we can implement to ensure similar impact scenarios don’t occur in the future while also protecting Exchange Online users from potentially malicious senders. <\/p>\n

This is the final update for the event.<\/td>\n<\/tr>\n

Machine Translation<\/th>\n\u30bf\u30a4\u30c8\u30eb:\u4e00\u90e8\u306e\u30e6\u30fc\u30b6\u30fc\u306eDocuSign URL\u4ed8\u304d\u30e1\u30fc\u30eb\u306f\u3001URL\u306e\u8a55\u5224\u306e\u305f\u3081\u306b\u914d\u4fe1\u3055\u308c\u305a\u3001\u9694\u96e2\u3055\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059 <\/p>\n

\u30e6\u30fc\u30b6\u30fc\u3078\u306e\u5f71\u97ff:DocuSign\u306eURL\u3092\u542b\u3080\u30e6\u30fc\u30b6\u30fc\u306e\u30e1\u30fc\u30eb\u304c\u914d\u4fe1\u3055\u308c\u305a\u3001URL\u306e\u8a55\u5224\u306e\u305f\u3081\u306b\u9694\u96e2\u3055\u308c\u305f\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002 <\/p>\n

\u6700\u7d42\u72b6\u6cc1:\u6b8b\u308b\u5f71\u97ff\u3092\u53d7\u3051\u305f\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u624b\u52d5\u7de9\u548c\u3092\u5b8c\u4e86\u3057\u3001DocuSign\u306eURL\u3092\u542b\u3080\u30e1\u30fc\u30eb\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u6b63\u3057\u304f\u30bd\u30fc\u30c8\u3057\u3064\u3064\u3001\u6709\u5bb3\u306a\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u5230\u9054\u9632\u6b62\u6a5f\u80fd\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306eML\u30e2\u30c7\u30eb\u306e\u8abf\u6574\u3082\u5b8c\u4e86\u3057\u307e\u3057\u305f\u3002\u5f53\u793e\u306e\u30b5\u30fc\u30d3\u30b9\u30c6\u30ec\u30e1\u30c8\u30ea\u30fc\u304a\u3088\u3073\u5f71\u97ff\u3092\u53d7\u3051\u305f\u30e6\u30fc\u30b6\u30fc\u306e\u5831\u544a\u306e\u4e00\u90e8\u304b\u3089\u3001\u5f71\u97ff\u304c\u662f\u6b63\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u691c\u8a3c\u3057\u307e\u3057\u305f\u3002 <\/p>\n

\u5f71\u97ff\u7bc4\u56f2:\u3053\u306e\u554f\u984c\u306f\u3001DocuSign\u306eURL\u3067\u30e1\u30fc\u30eb\u3092\u9001\u4fe1\u3057\u3088\u3046\u3068\u3059\u308b\u4e00\u90e8\u306e\u30e6\u30fc\u30b6\u30fc\u306b\u5f71\u97ff\u3092\u53ca\u307c\u3057\u305f\u53ef\u80fd\u6027\u304c\u3042\u308a\u3001URL\u306e\u8a55\u5224\u306e\u305f\u3081\u306b\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u914d\u4fe1\u3055\u308c\u305a\u9694\u96e2\u3055\u308c\u305f\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002 <\/p>\n

\u958b\u59cb\u6642\u9593:2026\u5e749\u670828\u65e5(\u6708)\u5348\u524d2\u664236\u5206(UTC) <\/p>\n

\u7d42\u4e86\u6642\u523b:2026\u5e7410\u67081\u65e5\u6728\u66dc\u65e5 23:59 UTC <\/p>\n

\u6839\u672c\u539f\u56e0:Microsoft\u306eURL\u8a55\u4fa1\u30d7\u30ed\u30bb\u30b9\u304cURL\u306e\u542b\u3081\u8fbc\u307f\u306b\u3088\u308a\u5f71\u97ff\u3092\u53d7\u3051\u305f\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u6f5c\u5728\u7684\u306b\u60aa\u610f\u306e\u3042\u308b\u3082\u306e\u3068\u8aa4\u3063\u3066\u8b58\u5225\u3057\u3001\u5f71\u97ff\u304c\u751f\u3058\u307e\u3057\u305f\u3002 <\/p>\n

\u6b21\u306e\u30b9\u30c6\u30c3\u30d7:
– URL\u8a55\u4fa1\u30d7\u30ed\u30bb\u30b9\u3092\u5206\u6790\u3057\u3001\u540c\u69d8\u306e\u5f71\u97ff\u30b7\u30ca\u30ea\u30aa\u304c\u5c06\u6765\u767a\u751f\u3057\u306a\u3044\u3088\u3046\u306b\u3001\u3055\u3089\u306b\u60aa\u610f\u306e\u3042\u308b\u9001\u4fe1\u8005\u304b\u3089Exchange Online\u30e6\u30fc\u30b6\u30fc\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306b\u5b9f\u65bd\u3067\u304d\u308b\u8ffd\u52a0\u5909\u66f4\u3092\u691c\u8a3c\u3057\u3066\u3044\u307e\u3059\u3002 <\/p>\n

\u3053\u308c\u304c\u30a4\u30d9\u30f3\u30c8\u306e\u6700\u7d42\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3067\u3059\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"

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