Log in to your Mailinblack space and go to your Protect area.
You have the option to trace emails in:
Quarantine
Valid
Outgoing
To trace your email, simply hover over the line of the email and at the end of the line, click on the trace icon:
You will then access the trace with the various filtering steps:
If you have subscribed to the Protect Out option, you also have outgoing emails on your interface that you can trace.