- Go to the Advanced tab.
- Make sure This server requires a secure connection (SSL) is checked under both Outgoing mail (SMTP): and Incoming mail (IMAP):.
- Type "465" under Outgoing server (SMTP):.
- If the number under Incoming server (IMAP): has not been changed to "993" automatically, enter "993" there.
- Click OK.
- Click Close in the Internet Accounts window.



