1. Select 'File':
2. Select 'Account Settings' and then 'Account Settings...' from the drop-down menu:
3. Select applicable email from list (single click) and then select 'Repair':
4. Select 'Advanced options' and then check the box for 'Let me repair my account manually' and then select 'Repair':
5. Update the Incoming mail Settings:
6. Select Outgoing mail and update the outgoing mail settings:
6. Select 'Next', then 'Done'