[JIRA] (OVIRT-267) [monitoring][mailman] Add mailman service monitoring

[monitoring][mailman] Add mailman service monitoring ---------------------------------------------------- Key: OVIRT-267 URL: https://ovirt-jira.atlassian.net/browse/OVIRT-267 Project: oVirt - virtualization made easy Issue Type: Task Components: General Affects Versions: Test Reporter: David Caro Estevez Assignee: Marc Dequènes (Duck) We have been half day without mailman as the service was stopped.