ant,mail的问题?

Question

Buildfile: build.xmlmail:
     [mail] Sending email: null
     [mail] Failed to send emailBUILD FAILED
X:\Pinball\PINBAL~1\SAMSUN~1\build.xml:6: Problem while sending mime mail:Total time: 1 second我使用ant来发送邮件,缺出现了上面的错误,请问是怎么回事?
我的build.xml文件:<project name="ant_test" basedir="." default="mail">
    <target name="mail" description="test mail">
<mail mailhost="smtp.163.com"
  mailport="25"
  user="zqget123"
  password="123456">
  <from address="[email protected]"/>
  <to address="[email protected]"/>
  <message>this is a test mail!</message>
</mail>
    </target>
</project>

Answer 1

把mail.jar;activation.jar放入Ant home/lib中.