Sending On Behalf Of Others: Sub-Domain Delegation With CNAMEs This article expands on the “CNAMEs” approach described in the larger How to send DMARC-compliant email on behalf of others article. An assumption is that the reader is sending email on behalf of others, and desires to send such email in a manner compliant with DMARC.
This is a selection of our blog content that includes useful articles on understanding, deploying and managing DMARC, SPF, DKIM and related technologies.