ERROR: Could not send email as a part of the post-build publishers.
javax.mail.MessagingException: IOException while sending message;
  nested exception is:
	javax.activation.UnsupportedDataTypeException: no object DCH for MIME type multipart/mixed; 
	boundary="----=_Part_34_1307232537.1360285420086"
	at com.sun.mail.smtp.SMTPTransport.sendMessage(SMTPTransport.java:1141)
	at javax.mail.Transport.send0(Transport.java:195)
	at javax.mail.Transport.send(Transport.java:124)
	at hudson.plugins.emailext.ExtendedEmailPublisher.sendMail(ExtendedEmailPublisher.java:308)
	at hudson.plugins.emailext.ExtendedEmailPublisher._perform(ExtendedEmailPublisher.java:289)
	at hudson.plugins.emailext.ExtendedEmailPublisher.perform(ExtendedEmailPublisher.java:249)
	at hudson.tasks.BuildStepMonitor$3.perform(BuildStepMonitor.java:36)
	at hudson.model.AbstractBuild$AbstractBuildExecution.perform(AbstractBuild.java:810)
	at hudson.model.AbstractBuild$AbstractBuildExecution.performAllBuildSteps(AbstractBuild.java:785)
	at hudson.model.Build$BuildExecution.cleanUp(Build.java:192)
	at hudson.model.Run.execute(Run.java:1601)
	at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:46)
	at hudson.model.ResourceController.execute(ResourceController.java:88)
	at hudson.model.Executor.run(Executor.java:236)
Caused by: javax.activation.UnsupportedDataTypeException: no object DCH for MIME type multipart/mixed; 
	boundary="----=_Part_34_1307232537.1360285420086"
	at javax.activation.ObjectDataContentHandler.writeTo(DataHandler.java:877)
	at javax.activation.DataHandler.writeTo(DataHandler.java:302)
	at javax.mail.internet.MimeBodyPart.writeTo(MimeBodyPart.java:1476)
	at javax.mail.internet.MimeMessage.writeTo(MimeMessage.java:1772)
	at com.sun.mail.smtp.SMTPTransport.sendMessage(SMTPTransport.java:1099)
	... 13 more