1. To enable email notifications in Workflow, the Oracle Applications server must be able to communicate with the email server by hostname or IP address.
2. The email server must support both SMTP to send emails and IMAP to receive emails related to purchase order and project request approvals.
3. An account must be created on the email server for the Workflow mailer to use for sending and receiving emails, and three folders under this account must be set up: INBOX, PROCESS, DISCARD.