IssueNotification email subject lines do not contain the expected host name, but instead show localhost6.localdomain6 or localhost.localdomain, for example, the subject line contains:
[SAV-LINUX] Notice from Sophos Anti-Virus on localhost6.localdomain6
Root causeThis occurs because the host name (helen in this example) is added to the localhost entry of the loopback device in the /etc/hosts file. For example
127.0.0.1 helen localhost.localdomain localhost localhost4::1 helen localhost6.localdomain6 localhost6
The main reason for this issue is due to the bug described here: https://bugzilla.redhat.com/show_bug.cgi?id=659471
Perform one of the following workarounds.You should however note that all of the following options change the way in which name resolution works in a system-wide fashion. This might have undesired side-effects on other applications. You should therefore test these workarounds thoroughly before implementing them.
# hostname helen.domain.com
127.0.0.1 localhost.localdomain localhost localhost4::1 localhost6.localdomain6 localhost6
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