Salesforce Commerce Cloud is capable of sending DMARC compliant email because they support custom SPF configurations that achieve DMARC alignment. Salesforce Commerce Cloud is an Email Marketing Platform and is often used by Marketing, Product, and Sales teams.
The link following will provide some general guidance on requirements to set up SPF-alignment: https://help.salesforce.com/s/articleView?id=000391416&type=1 You may alternatively open a support tix here: https://www.salesforce.com/form/contact/contactme-commerce/