This policy setting enables you to force users to select an e-mail account from which to send outgoing e-mail. If you enable ...

This policy setting enables you to force users to select an e-mail account from which to send outgoing e-mail.

If you enable this policy setting, users must choose an e-mail account before they can send an e-mail.

If you disable or do not configure this policy setting, e-mail is sent from the default e-mail account if users do not select a specific e-mail account.