the system is not sending an email.
; Use SMTP for sending mail instead of mail()
smtp = On
; SMTP server settings
smtp_server = smtp.office365.com
smtp_port = 587
; Enable SMTP authentication
; Supported mechanisms: ssl, tls
smtp_auth = tls
smtp_username = xxxx@xxxx.com
smtp_password = xxx
OJS version is 3.3.0.5