How to Configure Email Deliverability in cPanel

Step 1: Login to cPanel.
Step 2: Under EMAIL click Email Deliverability.
Step 3: Click REPAIR or MANAGE buttons. REPAIR for step by step, MANAGE for controls on one page
Step 4: Click REPAIR >> A DKIM key for domain.
Step 5: Click GENERATE LOCAL DKIM KEY button.
Step 6: Click Repair.