I have a number of these errors in my SystemLog. I'm not sure why they are there. How can I go about diagnosing where they are coming from? I only have one BS that uses mail to send out notifications. I am receiving those notifications without error.
2008-10-28 10:30:59,593 ERROR -Unable to connect to remote host mail01
2008-10-28 10:35:59,593 ERROR -Unable to connect to remote host mail01
