Reinforce the Main Message: Use the P.S. to emphasize the primary message or offer, ensuring it's not missed. Include a Call to Action: Encourage recipients to take a specific action, such as visiting a landing page or using a discount code. Create Urgency or Scarcity: Highlight a limited-time offer or limited stock availability to motivate quick action. Provide Additional Information: Share links to related content or additional resources that add value to the recipient. Personalize the Message: Tailor the P.S. line to the recipientâs interests or behaviors to increase relevance and engagement.