如果出现：“editable email notification aborted due to exception”这样的错误，尝试升级一下jenkins，估计是这个导致的。
解决思路：
http://stackoverflow.com/questions/18497116/not-able-to-send-receive-email-from-jenkins-using-email-ext-plugin
https://issues.jenkins-ci.org/browse/JENKINS-18728