{"id":315545,"date":"2025-09-09T16:46:22","date_gmt":"2025-09-09T14:46:22","guid":{"rendered":"https:\/\/www.borncity.com\/blog\/?p=315545"},"modified":"2025-09-09T16:57:44","modified_gmt":"2025-09-09T14:57:44","slug":"anti-spam-service-blockt-links-in-exchange-online-und-teams","status":"publish","type":"post","link":"https:\/\/borncity.com\/blog\/2025\/09\/09\/anti-spam-service-blockt-links-in-exchange-online-und-teams\/","title":{"rendered":"Anti-Spam-Service blockt Links in Exchange Online und Teams"},"content":{"rendered":"

\"Stop[English<\/a>]Seit Freitag, den 5. September 2025 bemerken Nutzer von Exchange Online und Microsoft Teams, dass sich Links nicht mehr \u00f6ffnen lassen. Der Verursacher ist Microsofts Anti-Spam-Service, der diese Links f\u00fcr einzelne Nutzer blockt und sogar E-Mails in Quarant\u00e4ne verschiebt. Derzeit arbeitet Microsoft an der Behebung dieses Problems.<\/p>\n

<\/p>\n

Ich bin durch nachfolgenden Post<\/a> der Kollegen von Bleeping Computer auf BlueSky auf den Sachverhalt gesto\u00dfen, den diese in diesem Artikel<\/a> ansprechen.<\/p>\n

\"Anti-Spam<\/a><\/p>\n

Es hei\u00dft, dass Microsoft daran arbeite, ein bekanntes Problem zu beheben. Der Anti-Spam-Dienst hindert Exchange Online- und Microsoft Teams-Benutzer f\u00e4lschlicherweise daran, URLs zu \u00f6ffnen. Zudem werden einige E-Mails dieser Benutzer unter Quarant\u00e4ne gestellt. Es m\u00fcsste die Meldung\u00a0MO1148487 – Some users may be blocked from opening URLs in Exchange Online messages and Microsoft Teams\u00a0<\/em>sein, die Microsoft folgenderma\u00dfen beschreibt (Quelle<\/a>).<\/p>\n

MO1148487 – Some users may be blocked from opening URLs in Exchange Online messages and Microsoft Teams<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n
Status:<\/th>\nserviceDegradation<\/td>\n<\/tr>\n
Start Time:<\/th>\nFri Sep 5 09:10:00 2025<\/td>\n<\/tr>\n
End Time:<\/th>\nN\/A<\/td>\n<\/tr>\n
Service:<\/th>\nMicrosoft 365 suite<\/td>\n<\/tr>\n
Feature Group:<\/th>\nPortal<\/td>\n<\/tr>\n
Classification:<\/th>\nincident<\/td>\n<\/tr>\n
Last Updated:<\/th>\nMon Sep 8 20:11:10 2025<\/td>\n<\/tr>\n
Root Cause:<\/th>\nAn anti-spam service incorrectly flagged URLs contained within other URLs as potentially malicious, resulting in impact.<\/td>\n<\/tr>\n
Next Update:<\/th>\nTuesday, September 9, 2025, at 6:00 PM UTC<\/td>\n<\/tr>\n
<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

…<\/p>\n\n\n\n\n\n\n
Time:<\/th>\nNext update by<\/b>: Friday, September 5, 2025, at 10:00 PM UTC<\/td>\n<\/tr>\n
Description:<\/th>\nTitle<\/b>: Some users may be blocked from opening URLs in Exchange Online messages and Microsoft Teams
\nUser impact<\/b>: Users may be blocked from opening URLs in Exchange Online messages and Microsoft Teams.
\nMore info<\/b>: Additionally, admins may receive alerts titled \"A potentially malicious URL click was detected involving one user\"; however, the URLs are confirmed as safe.
\nSome email messages may also be incorrectly quarantined.
\nCurrent status<\/b>: We've identified a new subset of URLs that are impacted and we're working to address the new set and any residual impacted messages. We are confident that a majority of the impact has been resolved, and we're actively addressing lingering impact while we perform our root cause analysis.
\nScope of impact<\/b>: Any user receiving email messages or messages within Microsoft Teams containing specific URLs may be affected.
\nStart time<\/b>: Friday, September 5, 2025, at 1:10 PM UTC
\nRoot cause<\/b>: An anti-spam service incorrectly flagged URLs contained within other URLs as potentially malicious, resulting in impact.<\/td>\n<\/tr>\n
Time:<\/th>\nFri Sep 5 14:32:07 2025<\/td>\n<\/tr>\n
Description:<\/th>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

[English]Seit Freitag, den 5. September 2025 bemerken Nutzer von Exchange Online und Microsoft Teams, dass sich Links nicht mehr \u00f6ffnen lassen. Der Verursacher ist Microsofts Anti-Spam-Service, der diese Links f\u00fcr einzelne Nutzer blockt und sogar E-Mails in Quarant\u00e4ne verschiebt. Derzeit … Weiterlesen →<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7263,8537,7459,7862,8442],"tags":[1171,7211,24,5595],"class_list":["post-315545","post","type-post","status-publish","format-standard","hentry","category-cloud","category-problem","category-software","category-stoerung","category-teams","tag-cloud","tag-exchange-online","tag-problem","tag-teams"],"_links":{"self":[{"href":"https:\/\/borncity.com\/blog\/wp-json\/wp\/v2\/posts\/315545","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/borncity.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/borncity.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/borncity.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/borncity.com\/blog\/wp-json\/wp\/v2\/comments?post=315545"}],"version-history":[{"count":0,"href":"https:\/\/borncity.com\/blog\/wp-json\/wp\/v2\/posts\/315545\/revisions"}],"wp:attachment":[{"href":"https:\/\/borncity.com\/blog\/wp-json\/wp\/v2\/media?parent=315545"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/borncity.com\/blog\/wp-json\/wp\/v2\/categories?post=315545"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/borncity.com\/blog\/wp-json\/wp\/v2\/tags?post=315545"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}