If you believe you should have permissions to someone's mailbox, you should contact them for verification or ask them to grant you permissions. If you do not have permission to send from this account, you will receive an email saying Your message did not reach some or all of the intended recipients, followed by the subject, date and time the message was sent and a list of recipients.

Send on behalf of permissions: The 'From' address in any message sent by you will indicate that the message was sent by you on behalf of the user that granted you this permission.

Send as permissions: Your message will appear to have come from the user that granted you this permission.

Depending on access, the recipient will see one of the following: Then, select the name of the person you want to send as or send on behalf of, and click OK.īack on the Send From Other E-mail Address window, click OK.Ĭompose a message as usual and send when ready. Type the email address of the person you want to send as or send on behalf of and click Go.

Make sure More columns and Global Address List are selected. Within the Send From Other E-Mail Addresses window, click From. If the From field is hidden, select Options from within the message you are composing, then select From. Note: The From field is hidden by default. Office 365 service accounts are hidden by default within GAL.Ĭlick the box and select Other E-mail Address. If the account is hidden, you must make it visible. Important: In order to send as or send on behalf of an account via Outlook desktop client, the account must be visible in the Global Address List (GAL). Send as or send on-behalf of another account using Outlook for Windows.

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