ckd Is there a specific reason why the default Active Directory template proposes to use proxyAddresses instead of otherMailbox for LDAP alias mapping? Wouldn't it make more sense to use the official otherMailBox Attribute? Thanks.
mwilliams ckd Yes, the simple reason is because it is the right thing to do. https://learn.microsoft.com/en-us/openspecs/exchange_server_protocols/ms-oxldap/f3ffb8b3-6c7e-4993-b9cf-8e43f7d38c24 https://winprotocoldoc.blob.core.windows.net/productionwindowsarchives/MS-ADSC/%5BMS-ADSC%5D.pdf https://learn.microsoft.com/en-us/troubleshoot/azure/active-directory/proxyaddresses-attribute-populate