Using JavaMail
Once you have configured a Mail Session and targeted it to the relevant servers, a client can access it simply by performing a JNDI lookup using its JNDI name. The session then can be used to send or retrieve email according to the JavaMail API. Suppose we have created a Mail Session that is bound in the JNDI under the name oreilly.mail. The following code sample shows how to access the configured Mail Session:
import javax.activation.*; import javax.mail.*; import javax.mail.internet.* // ... InitialContext ctx = new InitialContext( ); Session session = (Session) ctx.lookup("oreilly.mail");
If you need to change any of the default values assigned to the Mail
Session, you can do so by populating a Properties
object with the new property values, and then using that object to
create a new Mail Session by calling the getInstance(
)
method on the existing Session
object:
Properties props = new Properties( ); // Place any number of property overrides into props props.put("mail.from", emailAddress); // Create the new session from the old Session otherSession = session.getInstance(props);
Of course, if you are happy with the default values for the Mail Session as specified in the Administration Console, there is no need to create a new session; just look up the preconfigured session.
Once you have obtained a session with the appropriate property values, you can use it to send and receive email. The following code sample shows how to use a Mail Session to send email:
Message msg ...
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