How to Use Send-As Email Delegation


How to use send-as email delegation.

When trying to send an email as a distribution list or other account you have Send-As delegate rights to you receive a Message Undeliverable Error containing the following text.

This message could not be sent. Try sending the message again later, or contact your network administrator. You do not have the permission to send the message on behalf of the specified user. Error is [0x80070005-0x0004dc-0x000524].

This message is received because outlook defaults to only sending on behalf of a user not as a user.  

The following instructions will help you use outlook to send as another account. 


Step 1. 

in Outlook Click the "New Email" button.

New Email Button

Step 2.

On the new message, Click on options and select the BCC and From buttons.

New Message Show Bcc and Show From fields selected

Step 3.

Your message headers should now look like this.

New Message Showing Bcc and From as visible fields

Step 4.

Choose "Other E-mail Address..." from the drop down on the "From" button.

Choose "Other E-mail Address..." from the drop down on the "From" button

Step 5.

Click the "From..." Button on the Send From Other E-mail Address Dialog Box.

Send From Other E-mail Address Dialog box

Step 6.

Pick "Global Address List" in the Address Book Drop Down changing from the default "Offline Address List."

Choose Sender Dialog Box

Step 7.

Use the appropriate search method and go button to search the global address list for the account you want to send as.  Pick the account from the bottom of the dialog and click ok.

Choose Sender Search Results

Step 8.

Click "Ok" on the Send From Other E-mail Address dialog box confirming your selection.

Send From Other E-mail Address Dialog With selected address

Step 9.

The selected address should now appear in the from dialog box on the new message. It is Recommended to send yourself a test message to make sure everything worked. Then add your recipients to the Bcc field so they cant see each otheres emails when sending to more than 1 recipient.  

New Message Showing selected account in from field

Step 10. 

The test email should only show the account you sent as.

Test email message


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Article ID: 86348
Thu 9/5/19 4:16 PM
Fri 9/6/19 11:22 AM