How to delete "Sent via Ragic" from my mass emails sent out?

when I test mass mails, there is a footer ‘Sent via Ragic’ in the msg, can I change or delete it ?

Regards
Sean

Hi Sean,

It’s not supported to remove it.

Has there been any updates to this, or is it still unsupported?

As mentioned in previous reply, it’s not supported to remove it.