Setting up a domain for email marketing involves several steps:
Purchase a domain from a domain registrar like GoDaddy, Namecheap, or Google Domains. Set up DNS records, including MX (Mail Exchange) records, SPF (Sender Policy Framework), DKIM (DomainKeys Identified Mail), and DMARC (Domain-based Message Authentication, Reporting & Conformance). Configure your email marketing platform to use your custom domain for sending emails. This usually involves verifying your domain and setting up appropriate authentication protocols.