Setting up our first campaign with Campaigns and want to validate with DKIM. We are not sending from our web domain, but from our google workspace email accounts. On Dreamhost, who host our website, they provide a DKIM text string named google._domainkey. But I assume we need a key from Gmail, although the zoho help page list starts with Godaddy and follows with about a dozen other web hosts, not including GMail. Do we acquire a DKIM key from our Google account and add it to the campaign set up?