There is at least one occurrence of Event ID {9} in the system log of server {2} within the last 24 hours. Verify that the ...

There is at least one occurrence of Event ID {9} in the system log of server {2} within the last 24 hours. Verify that the '{3}', '{4}' and '{5}' folders exist for this SMTP instance under the designated path and they are not corrupt. Last occurrence at {8}. Event description: {1}