Looking for logging into the Msauth site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Msauth site. After that you can login as usual with your login credentials.
https://community.spiceworks.com/topic/2176412-o365-whitelist-addition-by-dec-10-2018
https://answers.microsoft.com/de-de/msoffice/forum/msoffice_outlook-mso_amobile-mso_o365b/kann-mich-im-outlook-nicht-mit-office365/91d6ae50-be69-4bc4-a8c3-1fd2f8eb174d
http://office365.creighton.edu/
https://github.com/AzureAD/azure-activedirectory-library-for-dotnet/wiki/leveraging-brokers-on-Android-and-iOS
https://github.com/AzureAD/azure-activedirectory-library-for-cordova/issues/95
https://stackoverflow.com/questions/49270979/can-msauth-broker-invoke-intune-company-portal-app-ios
http://forum.ragezone.com/f566/editing-damage-cap-msauth-login-1112997/
https://www.bozteck.com/tag/msauth/
https://support.office.com/en-us/article/use-microsoft-authenticator-with-office-365-1412611f-ad8d-43ab-807c-7965e5155411
https://blog.hametbenoit.info/2018/11/16/office-365-azure-new-cdns-are-going-to-be-used-for-authentication/
https://market.nativescript.org/plugins/nativescript-azure-mobile-apps
https://www.voudeals.com/blog/review-your-network-traffic-settings-to-prevent-office-365-service-disruption/
https://books.google.de/books?id=zoKEBwAAQBAJ&pg=PT116&lpg=PT116&dq=msauth+login