One or more mailboxes associated to the email server profile {0} have been disabled for receiving email. Make sure that a ...

One or more mailboxes associated to the email server profile {0} have been disabled for receiving email. Make sure that a valid certificate is installed for Microsoft Dynamics CRM to connect to the email server. Also check that the credentials used to connect to the mailboxes are correct and have permission to receive email. Then, enable the mailboxes for email processing.