2016-12-05 14:58:24,802 ERROR [org.ametys.plugins.forms.processing.ProcessFormAction] (http-nio-8080-exec-6;/preview/plugins/forms/submit.html) Error sending the notification mail to xxxx
com.sun.mail.smtp.SMTPSendFailedException: 530 5.7.1 Client was not authenticated

	at com.sun.mail.smtp.SMTPTransport.issueSendCommand(SMTPTransport.java:2108)
	at com.sun.mail.smtp.SMTPTransport.mailFrom(SMTPTransport.java:1609)
	at com.sun.mail.smtp.SMTPTransport.sendMessage(SMTPTransport.java:1117)
	at org.ametys.core.util.mail.SendMailHelper$MailSender.sendMail(SendMailHelper.java:654)
	at org.ametys.core.util.mail.SendMailHelper.sendMail(SendMailHelper.java:269)
	at org.ametys.core.util.mail.SendMailHelper.sendMail(SendMailHelper.java:214)
	at org.ametys.core.util.mail.SendMailHelper.sendMail(SendMailHelper.java:189)
	at org.ametys.core.util.mail.SendMailHelper.sendMail(SendMailHelper.java:170)
	at org.ametys.plugins.forms.processing.ProcessFormAction._sendNotificationEmails(ProcessFormAction.java:1358)
	at org.ametys.plugins.forms.processing.ProcessFormAction._sendEmails(ProcessFormAction.java:1329)
	at org.ametys.plugins.forms.processing.ProcessFormAction.act(ProcessFormAction.java:228)
	at org.apache.cocoon.components.treeprocessor.sitemap.ActTypeNode.invoke(ActTypeNode.java:125)
	at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:47)
	at org.apache.cocoon.components.treeprocessor.sitemap.MatchNode.invoke(MatchNode.java:108)
	at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:69)
	at org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(PipelineNode.java:143)
	at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:69)
	at org.apache.cocoon.components.treeprocessor.sitemap.PipelinesNode.invoke(PipelinesNode.java:93)
	at org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.process(ConcreteTreeProcessor.java:236)
	at org.apache.cocoon.components.treeprocessor.ConcreteTreeProcessor.buildPipeline(ConcreteTreeProcessor.java:194)
	at org.apache.cocoon.components.treeprocessor.TreeProcessor.buildPipeline(TreeProcessor.java:267)
	at org.apache.cocoon.components.treeprocessor.sitemap.MountNode.invoke(MountNode.java:111)
	at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:47)
	at org.apache.cocoon.components.treeprocessor.sitemap.MatchNode.invoke(MatchNode.java:108)
	at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:69)
	at org.apache.cocoon.components.treeprocessor.sitemap.PipelineNode.invoke(PipelineNode.java:143)
	at org.apache.cocoon.components.treeprocessor.AbstractParentProcessingNode.invokeNodes(AbstractParentProcessingNode.java:69)