Redmine

Any cn help me on this ..below is the cmy configuration.yml details;

/u01/apps/redmine-2.4.2-0/apps/redmine/htdocs/config

# default configuration options for all environments
default:
  # Outgoing emails configuration (see examples above)
  email_delivery:
    delivery_method: :smtp
    smtp_settings:
    ##tls: true
      ##enable_starttls_auto: true
      openssl_verify_mode: 'none'
      address: XXX
      port: 587
      domain: XXXX
      authentication: :plain
      user_name: xxxx
      password: xxxx
###config.action_mailer.perform_deliveries = true