If you are receiving an error in Outlook when trying to send mail, or connect your email, you will likely need to turn on outgoing SMTP Authentication.
Send test email message: The server responded: 550 SMTP AUTH is required
In Outlook, click File.
Click the Account Settings drop-down, then click Account Settings.
Double click the account you would like to edit.
Click More Settings.
Under the Outgoing Server tab, select:
- My outgoing server (SMTP) requires authentication; and
- Use same settings as my incoming mail server