Currently notifier is able to send email using plain SMTP or SMTP with SSL (SMTPS). 3rd most used method, SMTP with STARTTLS, is not supported.
oVirt 3.4.0 alpha has been released including the fix for this issue.
ok, ovirt-engine-tools-3.4.0-0.2.master.20140112020439.git9ad8529.el6.noarch Received: from jb-rh34.rhev.lab.eng.brq.redhat.com ([10.34.63.78]) by int-mx02.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id s0SDOQWL007092 (version=TLSv1/SSLv3 cipher=AES256-SHA bits=256 verify=NO)
This is an automated message: moving to Closed CURRENT_RELEASE since oVirt 3.4.0 has been released.