Mailman's SMTP delivery doesn't use TLS
This is not too important because the outgoing MTA is usually on localhost where it doesn't matter much, but the MTA can be remote and if it offers (or requires) STARTTLS, Mailman should use it.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
This is not too important because the outgoing MTA is usually on localhost where it doesn't matter much, but the MTA can be remote and if it offers (or requires) STARTTLS, Mailman should use it.