Enhance your account branding through the Sender Authentication Package (SAP), a tool provided by Marketing Cloud. SAP features include custom account branding, a private domain for email sending, a custom domain for CloudPages, a dedicated IP address, and reply mail management. Upon purchasing SAP, you will receive an email from mc-deliverability@mcld.salesforce.com 1–2 days after your contract activation. This email includes the SAP Quick Start Guide and a personalized form to set up your SAP.