Cannot send mail via Office35

Server
#1

I am trying to configure owncloud to send mail via my Office365 account with owncloud v 10.0.9, community edition.

I am getting this error message.

o365 smtp error
o365 smtp error1592×426 61.4 KB

#2

I have confirmed that SMTP is enabled

O365 Admin settings
O365 Admin settings1583×541 72.1 KB

Anything else I can check to try and resolve this issue?