smtp-mail.outlook.com works here, but only on port 25 and with policy: SSL/TLS if available, as suggested here.
smtp.live.com is certainly defunct, whereas the original IMAP settings are fine for the account. 
smtp-mail.outlook.com works here, but only on port 25 and with policy: SSL/TLS if available, as suggested here.
smtp.live.com is certainly defunct, whereas the original IMAP settings are fine for the account.