I don't know if this is the issue, but your smtp for office365 may be wrong. I found the following table which i belive means you should change it to smtp.office365.com. Might be worth a try
I don't know if this is the issue, but your smtp for office365 may be wrong. I found the following table which i belive means you should change it to smtp.office365.com. Might be worth a try