Administrators can set up the SMTP connector to automatically send messages to a sender’s Exchange Sent Mail folder. The messages will appear to come from the sender’s personal email account instead of the server for tracking purposes. Users can view these emails in their Sent folders when using the Microsoft Outlook Desktop or Web application.
Before you begin
Administrators must complete the following prerequisites and tasks.
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Email Server - Exchange Server 2007 or later
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Exchange Web Services – Email server must have EWS configured and accessible.
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Exchange Administrator – Administrator must be configured for Impersonation and have access to all relevant user mailboxes.
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Windows Active Directory Server for WebApps only – Active Directory server must be configured for WebApps users email delivery.
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SMTP Connector – Set up the SMTP connector and enable Exchange Sent Mail folder.
Setting up the SMTP connector and Exchange Sent Mail folder
You can set up the SMTP connector by using Connectors in the Server Administrator.
Note: One SMTP connector is part of the server installation and is automatically set up when the server installation is complete. A license is required if an additional SMTP connector is needed for your configuration.
See Adding a SMTP connector for more information, if necessary.
You are not required to set up a SMTP connector if you are using the default SMTP connector that is installed. See instructions about accessing the default SMTP connector below.
Accessing the SMTP connector
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Start the Server Administrator, if necessary.
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Select Connectors on the Server Administrator tree. The connectors appear in the details pane.
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Select SMTP on the Server. The SMTP Properties dialog box appears.
Setting up Exchange Sent Mail folder
You can set up the Exchange Sent Mail folder for Basic or OAuth authentication by using the SMTP Properties > Exchange Sent Mail Folder tab.
To set up Exchange Sent Mail folder
For Basic Authentication Exchange On-Premise Servers only
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Access the SMTP connector in the Server Administrator, if necessary.
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Select the Exchange Sent Mail Folder tab.
See the SMTP Properties dialog box example below.
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Select Basic Authentication - On-Prem Only from the drop-down list.
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Select the Auto Discover EWS URL check box (Optional).
Note: This property allows the server to automatically detect the EWS Server URL on the network. It may increase delivery time if enabled.
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Type the Exchange Web Services URL in the EWS URL box. This URL must be secure using https://.
Note: The EWS URL is https://outlook.office365.com/EWS/Exchange.asmx for Office 365 Exchange servers. Microsoft may change this at any time.
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Type the Exchange Administrator email address in the Exchange Admin email address box. This is the Exchange Administrator username with impersonation privileges specified as an email address.
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Type the Administrator password in the Admin password box.
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Select OK.
For OAuth Authentication Exchange Online Servers only
The Exchange Administrator must register the
See Microsoft Documentation: Authenticate an EWS application by using OAuth for more information. Follow the Configure for app-only authentication instructions.
Note: Make a note of the App ID and App Secret. You will need this information during the Exchange Sent Mail Folder setup in the Server Administrator.
To set up Exchange Sent Mail folder
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Access the SMTP connector in the Server Administrator, if necessary.
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Select the Exchange Sent Mail Folder tab.
See the SMTP Properties dialog box example below.
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Select OAUTH Authentication - Exchange Online from the drop-down list.
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Type the Exchange Web Services URL in the EWS URL box. This URL must be secure using https://.
Note: The EWS URL is https://outlook.office365.com/EWS/Exchange.asmx for Office 365 Exchange servers. Microsoft may change this at any time.
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Specify the Tenant ID in the appropriate box.
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Specify the App ID in the appropriate box.
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Specify the App Secret in the appropriate box.
Note: The App ID and App Secret are generated during the application registration process in Azure Active Directory.
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Select OK.
See also