Office 365 (Outlook 2010) - Send mail using your alternate address

There may be times where you need to send email using an alternate address.

Important: These instructions assume you have already configured Outlook 2010 to your Office 365 account.

Verify you have an alternate address

  1. Log in to the Wisc Account Administration site with your NetID credentials.
  2. Select the account you want to manage. . If you do not see the account you want to manage or are placed into your NetID account, review the following document: Wisc Account Administration site - Logging in.
  3. Expand Office 365 menu.
  4. Click Status.
  5. You will be presented with the following screen:

    status screen

    Alternate Addresses
    At a minimum, it will include your primary address. Any additional addresses listed will also be able to receive mail and calendar invitations.

Important: If you do not have any alternate addresses (in addition to your primary address), then you must create an alternate address before you can send a message using your alternate address.

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Configure your alternate address

  1. Open Outlook 2010.
  2. Go to "File" menu/tab.
  3. Select Account Settings... from within the 'Account Settings' sub-menu.
  4. On the 'Account Settings' screen, click New... from within the "Email" tab

    Account Settings screen

  5. On the 'Add New Account' screen, select "Manually configure server settings or additional server types" (located at the bottom of the screen) and click the Next button.
  6. On the 'Choose Service' screen, select "Internet E-mail" and click Next button.
  7. On the 'Internet E-mail Settings' screen, enter the following:

    account settings screen

    • "Your name" is the display name associated with this account. It will be presented to the recipient.
    • "Email address" is the alternate address that you added to your account in Office 365.
    • "Account Type" should be POP3. Important: Even though we are configuring this account to use POP protocol, it will not be used to connect to your account for receiving email. It will only use the sending service (configured in a later step).
    • "Incoming Mail Server" should be set to "" (this account will not receive any email and will be disabled in a later step).
    • "Outgoing mail server (SMTP)" should be set to ""

    • "Username" should be the NetID associated with this account. If this is your personal account, then enter your NetID. If this is a Service Account, enter the NetID of this account. If you do not know the NetID of the service account, contact your domain administrator.
    • "Password" should be set to your Office 365 Password.
    • Untick the option "Test Account Settings by clicking the Next button".
  8. Click More Settings... button.
  9. Click on the "Outgoing Server" tab and place a check mark within the "My outgoing server (SMTP) requires authentication" box.
  10. Click on the "Advanced" tab and then change the "Outgoing Server (SMTP)" setting to 587.
  11. Click TLS when asked to "Use the following type of encrypted connection."
  12. Click OK button to return to the previous screen.
  13. Click Next button to add the account.
  14. Click Finish button.
  15. Click on your new account to highlight it and then click on "Change Folder" option located at the bottom of the screen.
  16. Select your inbox from your main Exchange account. Click OK.
  17. When this alternate account was configured, Outlook created a new PST/OST file for the new account. You don't need this as you are not going to be receiving any emails on this account. Click "Data Files" tab.
  18. Select the alternate account you just created for your alternate address. It is very important that you select the alternate account. Click Remove button. This will remove this account listing from your mail folders view.
  19. Click Close button.
  20. Although you are now in a position to send emails using this address there is one additional step to ensure that Outlook does not attempt to receive emails for this alternate address.
    • Click on the "Send / Receive" tab.
    • Click on "Send/Receive Groups" and select "Define Send/Receive Groups..."
    • On the 'Send/Receive Groups' screen, click Edit... button.
    • Select your newly created alternate account from the left hand column and untick the box which says "Include the selected account in this group".
    • Click OK.
    • Click Close.

You are now ready to use this alternate address as your "FROM" address when sending emails.

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Send a message using your alternate address

  1. Before sending a message, click the From drop-down select box and select your alternate address from the list.
  2. When you are ready, click the Send button.

Note: When the recipient receives this message, the "From" and "Reply-to" addresses will be the alternate address.

See Also:

Keywords:microsoft office365 o365 send from as email alternate address smtpauth outlook 2010 alias o365   Doc ID:38862
Owner:Ara M.Group:Office 365
Created:2014-03-27 16:00 CDTUpdated:2016-05-11 15:38 CDT
Sites:DoIT Help Desk, DoIT Tech Store, Office 365
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