datacenter.cfg: validate email_from option

Signed-off-by: Stanislav German-Evtushenko <ginermail@gmail.com>

diff --git a/data/PVE/Cluster.pm b/data/PVE/Cluster.pm
index e3554b9497909def832b80426b9fdc8b37e3410e..5b67d05e1128bab43a0a64f4214b298cc82d3a30 100644 (file)
--- a/data/PVE/Cluster.pm
+++ b/data/PVE/Cluster.pm
@@ -1267,6 +1267,7 @@ my $datacenter_schema = {
        email_from => {
            optional => 1,
            type => 'string',
+           format => 'email-opt',
            description => "Specify email address to send notification from (default is root@\$hostname)",
        },
     },