Information on how to configure SPF and DKIM for vendors like Sendgrid, Mailchimp, Office365 etc. DKIM configuration for AmazonSES DKIM configuration for Office 365 cloud DKIM configuration for Salesforce cloud
DKIM configuration for Salesforce cloud
Please follow the below two steps to configure DKIM for the Salesforce cloud Create DKIM keys from your Salesforce console Publish two CNAME records for your custom domain in DNS