Hi @Taylor56 , SendGrid is Khoros' default e-mail relay set up. However, this can be changed to either DKIM relay or a customer provided relay. The Technical Account Manager will be able to tell you the e-mail relay set-up a community is on.  You could find more details around  Khoros'  email options in these below link.  https://community.khoros.com/t5/Community-FAQ-s-from-Support/What-options-does-Khoros-provide-for-ma... ... View more