Firstly: Did you open a new gmail account? After that go to your gmail account online (not Outlook), and click on "Settings." You will need to Enable POP in your email account, following these steps: Sign in to Gmail.
Click Settings at the top of any Gmail page.
Click Forwarding and POP/IMAP.
Now go to Outlook and start a new POP3 account, including incoming/outgoing server information. This link again.
After you write the outgoing information (SMTP), you have to click the Advanced
tab, and check the box next to This server requires an encrypted connection (SSL) under Incoming Server (POP3).
This is vital stuff. The SMTP box must show the number 587
. Again, this is all in the link I sent you above.