Info Required Modules: Newsletter.
Step 1 Go to Structure> Module. Find "Newsletter" Module > Click "Permission" inline Newsletter module and find Newsletter section, set following properties:
Step 2 Save
Step 3 Go to Structure> Module. Find "Newsletter" Module > Click "configure" inline Newsletter module and set following properties:
Step 4 Save
Step 5 Go to Structure> Blocks. Find "Newsletter" block > Click "configure" inline Newsletter block and set following properties:
Step 6 Click "Save block" button.