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Email in Marketing Cloud Engagement
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            Domain Delegation versus Self-Hosting

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            Domain Delegation versus Self-Hosting

            Work with your IT administrators to determine whether it’s best to set up your own domain or delegate a subdomain for email sending. Typically, organizations that self-host email content are subject to security or branding requirements that don’t allow domain delegation. Delegation can be simpler to implement and works for most organizations. Before making your choice, consider your branding preferences, security requirements, and available resources for long-term support.

            Regardless of the method that you choose, your domain or subdomain appears in sender email addresses and hosted content URLs. Both domain solutions relate to how you configure your DNS entry.

            Delegation

            With delegation, you share access to a subdomain, or zone, with Marketing Cloud Engagement. To delegate a subdomain, you edit your DNS entry one time. To request future changes, contact Salesforce Customer Support.

            Choose domain delegation when:

            • Your DNS registrar supports zone delegation.
            • Access to in-house IT support is limited.
            • You anticipate adding sending IP addresses or subdomains in the future.

            You can use any letter or word for a delegated subdomain. Choose something that’s clear, trustworthy, and long-lasting.

            If you can’t find where to edit the subdomain in your DNS record, it’s possible that your registrar doesn’t support zone delegation. If that’s the case, it can be worth considering changing your provider.

            Example
            Example Luz is delegating a domain for CompanyABC. The team wants to use the subdomain message.companyabc.com with their emails. She configures the Name Server records to connect that subdomain with the four Engagement sending domains.
            message.companyabc.com.              123456  IN      NS      ns1.exacttarget.com.
message.companyabc.com.              123456  IN      NS      ns2.exacttarget.com.
message.companyabc.com.              123456  IN      NS      ns3.exacttarget.com.
message.companyabc.com.              123456  IN      NS      ns4.exacttarget.com.

            Self-Hosting

            With self-hosting, you set up a new domain to use for sending email, which your business wholly owns and manages.

            Choose self-hosting when:

            • Security is a top concern at your organization.
            • You have ongoing access to IT staff and your domain registrar.

            A self-hosted domain is the responsibility of their owner, and Salesforce Customer Support can’t access or support the domain.

            Because organizations use a variety of domain hosts, Salesforce can’t provide step-by-step instructions for configuring your own sending domain. Common DNS record types required to allow a domain to work properly with our platform may include:

            • CNAME
            • MX
            • TXT
            • A
             
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