This feature allows a user to send emails on behalf of other user from his own account.
The menu has two basic options: Adding and Removing

By clicking on each option you will access the corresponding screen:
Adding: There are 2 select boxes to choose respectively: the first one corresponds to the user who will be able to send on behalf of, and the second one is the address used to send as.

You can also check the box so all sent emails from the user’s account set as to send on behalf of will be saved in the Sent folder of the original mailbox.
Once the Sending As is set, the user will have to possibility to choose from which address to send an email when composing it from the webmail:

Removing: The second option from the menu gives to the admin the ability to remove a sending on behalf of configuration for one account. Introduce the address of the user that sends on behalf of, and use the Search button to list which e-mails it has set to sendAs.

Attention: It’s possible that you migh need to enter the full email address in order to find the account enabled to send on behalf of, specially if there are a many similar addresses. |
Once the addresses are listed, they can de removed one by one or just use the DELETE ALL button to delete all.

See the video below for a practical guide