张普的专栏

package demo2; import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.Properties; import javax.mail.Folder; import javax.mail.Message; import javax.mail.Sessio

package Demo1; import java.util.Properties; import javax.mail.Address; import javax.mail.Message; import javax.mail.Session; import javax.mail.Transport; import javax.mail.internet.Inter