How do I set up a subdomain for email using Cloudflare?

To set up a subdomain for email (e.g., mail.example.com), you'll typically use an 'MX' record. Create a new DNS record in Cloudflare, select 'MX' as the type, enter the subdomain name (e.g., 'mail'), and specify the MX record details provided by your email hosting provider (priority and mail server hostname). Ensure the priority is set correctly as instructed by your email provider.