Java Mail Application

I am doing a webportal in J2EE,there is a mailing section in the portal so that the administrcan directly convey with the clients .Since i am using Sun One java Applicatin ser ver is it necessary to configure new

mailserver

Is this possible

or else should i have to use JMS

Pls reply

Manoj

[327 byte] By [Manojmaruthoora] at [2007-11-27 2:35:52]