Well, apparently there is more to this. I have tried the following SMTPServer settings to no avail:
localhost
127.0.0.1
smtp.office365.com
smtp.office365.com:587
mydomain-com.mail.protection.outlook.com
mydomain-com.mail.protection.outlook.com:587
Anyone? Bueller? Bueller?
localhost
127.0.0.1
smtp.office365.com
smtp.office365.com:587
mydomain-com.mail.protection.outlook.com
mydomain-com.mail.protection.outlook.com:587
Anyone? Bueller? Bueller?