Port 143 or 993 (SSL) - used for connecting to an email in-box that receives emails fro Assure products that support enterprise monitoring. The port for accessing the email in-box using Internet Message Access Protocol (IMAP) is configured in the Assure UI portal by your Assure UI administrator. This allows the Assure UI portal to display status in the Enterprise Monitor portlet that was sent from Assure products to the email in-box.