On mx1, spamassassin not only is not running but trashed itself to the point where it won’t start.  I’ve taken mx1 out of service and am restoring it from a backup image.  I did store the postfix spool first so no mail will be lost.  Incoming mail can still be processed by mx2 while this is being restored so there is no loss in functionality and traffic right now is low enough that capacity shouldn’t be an issue.