Dedicated IP for Client Sites: Why It Matters and When to Pay for One
https://post-wiki.win/index.php/7_Clear_Ways_to_Explain_Hosting_Costs_to_Cost-Conscious_Clients
7 Reasons a Dedicated IP Can Protect Your Clients' Revenue, Deliverability, and Reputation If you're managing client sites, you already know every minute of downtime or lost email can cost trust and money