Add TLS parameter to SMTP default configuration
With 0e78bd84 the TLS parameter was added to the erb-smtp template.
This MR adds a nil default value to the default attributes.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
With 0e78bd84 the TLS parameter was added to the erb-smtp template.
This MR adds a nil default value to the default attributes.