Thanks for the request. This feature is implemented on Campaign detail page. A custom button saying,"Set Member Status" is been created. Clicking on this button, will set the member statuses with default set as "Responded".
Please test and let us know the feedback.
Also, we need more valuable feedbacks to enhance our MassMailer app. We really appreciate your time and feedback.
On Click of a set member status button all the Status get added in Advance Setup of Campaign detail page.
New (as Default value)
set member status button is on campaign details page to set the default member status values needed for MassMailer