When you create a new hotmail/live/outlook mailbox and if you add the said mailboxes to GSA SER email verification pane, some mails end up in the JUNK folder.
To avoid it,
1. Click on the settings icon at the top right, click on more mail settings, click on "rules..."
2. Click on new
2. Then, verify your account by giving your mobile phone number. Message at the bottom of the page.
3. Then, come back to create a rule. New rule should be if sender's address contains @ move to Inbox
4. click ok that's it.