public String getPassword() {
        return password;
    }
Returns the password used to connect to the SMTP server. If the password
is {@code null}, no password will be used when connecting to the server.

@return the password used to connect to the SMTP server, or {@code null} if
     there is no password.
xmppserver/src/main/java/org/jivesoftware/util/EmailService.java