Launch Outlook and select File on the top left menu bar.
- Select Info then Account Settings and then click on Account Settings…
- Select the relevant account and click the Repair button within the Email tab.
- Select Advanced options and tick Let me repair my account manually. Note that this may take a while.
- Ensure that the information is correct as below – replacing with your own name and domain:
- Account Type can be POP or IMAP
- User Name is the full email address
- Password is correct, or reset it via the control panel
- Server starts with mail. followed by the domain name e.g. mail.example.com*
- Port is 993 for IMAP or 995 for POP
- Encryption method is SSL/TLS
- Require logon using SPA is not ticked
- Click Outgoing mail:
- Server starts with smtp. followed by the domain name e.g. smtp.example.com*
- Port is 465
- Encryption method is SSL/TLS
- Require logon using SPA is not ticked
- Tick My outgoing SMTP server requires authentication
- Select Use same settings as my incoming mail server
- Click Repair.
- Let the test complete and then click Close.