Exchange Server: Active Directory Attributes Behind Mail Flow
Today I would like to talk a bit about the Active Directory attributes related with mail flow on Exchange server. There are five settings on an exchange recipient that control mail flow (represented by the name of the Powershell parameter of the relative cmdlets): AcceptMessagesOnlyFrom AcceptMessagesOnlyFromDLMembers RejectMessagesFrom RejectMessagesFromDLMembers RequireAllSendersAreAuthenticated Let's examine them one by one! AcceptMessagesOnlyFrom When this is set, the recipient will only be able to receive messages from the specified recipients. Corresponding AD attribute: "authOrig". AcceptMessagesOnlyFromDLMembers Same as above but for the members of the specified DLs. The relative AD attribute is "dLMemSubmitPerms". RejectMessagesFrom When this is set, messages from the specified recipients will be rejected. The AD attribute behind this setting is "unauthOrig". RejectMessagesFromDLMembers Same as above but for the members o...