How To: Send Email on Behalf of a Shared Mailbox

Learn how to send email on behalf of a shared mailbox, like a department inbox, and what the different shared mailbox permissions let you do.

What your access lets you do

Your access
What you can do
What people see
Read access
Read and manage the shared mailbox's email
Replies you send come from your own address
Send on Behalf
Send from the shared mailbox
Your Name on behalf of Department, with replies going to the shared mailbox
Send As
Send from the shared mailbox
Only the shared mailbox's name and address. Set up for some office mailboxes when approved

Most people get Send on Behalf. Send As is only set up for some office mailboxes, and never for a person's own mailbox: no one can send email as another person. To request it, a director or above can request it through Shared Mailboxes & Email Lists.

Send on behalf in new Outlook or Outlook on the web

1

Start a new email

Select New mail.

2

Show the From line

Select Options > Show From. You only need to do this once.

3

Pick the shared mailbox

Select From and choose the shared mailbox. If it isn't listed, select Other email address and type it.

4

Send

Write your message and select Send.

Classic Outlook (Windows)

In a new email, select Options > From to show the From line. Then select From > Other email address and pick the shared mailbox.

Get a message that you don't have permission? You may only have read access, or new access may need a few hours to take effect.

Get help

Still need help? Submit a request through Microsoft Office 365 E-mail & Calendar, call the IT Service Desk at 612.343.4170, or visit Miller Hall 226.