The following tasks need to be performed:1.

Out of the five tasks, only verifying an email domain and adding a custom email address require org admin permissions. Configuring an email handler, customizing a notification scheme, and managing personal notification settings can be done by project admins or site admins.

References: Verify a domain to manage accounts, Add custom email addresses for product notifications, Create issues and comments from email, Configure notification schemes, Manage your Jira personal settings