Reattach the volume for your stopped instance (Make certain that the product is similar to it was before the detachment, ordinarily: /dev/sda1). What’s pleasant about Postal, is always that DKIM is already configured and the keys are created, you only really need to copy the DKIM document on your DNS https://mautic-update33333.bloggosite.com/33228476/the-ultimate-guide-to-directadmin-install