Follow the steps below to stop or prevent a scheduled campaign from sending:
Navigate to the Campaigns overview page.
Find the scheduled campaign.
Click the dropdown menu next to the campaign's "Edit" button.
Click “Disable.”
A confirmation message will appear in a modal window. Click “OK.”
Your campaign will be labelled "Disabled" on the campaign's Overview page.
To re-enable this scheduled campaign, select "Enable" from the dropdown menu:
A modal window will appear, click “OK.”