Java Mail Sender (can be sent to multiple addresses at the same time, can be with attachments) _java

Main program to send mail

Import java.util.Properties;
Import Common.util.Email_Autherticatorbean;
Import Javax.mail.Authenticator;
Import javax.mail.internet.InternetAddress;
Import Org.apache.commons.lang.StringUtils;
Import Javax.mail.internet.MimeBodyPart;
Import Javax.mail.Multipart;
Import Javax.activation.FileDataSource;
Import Javax.mail.internet.MimeMultipart;
Import Javax.activation.DataHandler;
Import javax.mail.internet.MimeUtility;
Import Java.util.Date;

/**
* Use Java.mail mail to send the program
*/

public class Sendmailtest
{
public static void Main (string[] args)
{
String title = "Titletest";/the title of the message sent
String from = "sir_znp@163.com";//Sent from there
String sendto[] = {"Znp@163.net", "sir_znp@163.com"};//sent there
The text content of the message, which can contain HTML tags and is displayed as an HTML page
String content = "Mail TEST!!!!!! <br><a href=#>aaa</a> ";
The included annexes, and the renaming of the attachment
String filenames[] = {"F:\\music\\text1.txt,text1.txt", "F:\\music\\text2.txt,text2.txt"};
try {
MailSender MailSender = new MailSender ();
SendMail (title, from, SendTo, content, FileNames, "text/html;charset=gb2312");
catch (Exception ex) {ex.printstacktrace ();}
}

public static void SendMail (string subject, String from, string[] to, string text, string[] filenames,string mimetype) thr oWS Exception
{
ResourceBundle mailprops = Resourcebundle.getbundle ("Mail"); You can read the corresponding parameters from the configuration file
Properties Props = new properties ();

String SMTP = "smtp.163.com"; Set SMTP to use for sending messages
String servername = "SIR_ZNP";
String serverpaswd = "123";

Javax.mail.Session mailsession; Mail Session Object
Javax.mail.internet.MimeMessage mimemsg; MIME Mail Object

Props = Java.lang.System.getProperties (); Get System Properties Object
Props.put ("Mail.smtp.host", SMTP); Setting up an SMTP host
Props.put ("Mail.smtp.auth", "true"); Whether to the server username and password Authentication
Verify that the user name and password sent to the server are correct
Email_autherticatorbean myemailauther = new Email_autherticatorbean (servername, SERVERPASWD);
Set up a mail session
MailSession = javax.mail.Session.getInstance (props, (authenticator) myemailauther);
Set Transport protocol
Javax.mail.Transport transport = Mailsession.gettransport ("SMTP");
Set information from, to, and so on
mimemsg = new Javax.mail.internet.MimeMessage (mailsession);
if (! Stringutils.isempty (from))
{
InternetAddress sentfrom = new internetaddress (from);
Mimemsg.setfrom (Sentfrom); Set Sender Address
}

internetaddress[] SendTo = new Internetaddress[to.length];
for (int i = 0; i < to.length; i++)
{
System.out.println ("Send to:" + to[i]);
Sendto[i] = new internetaddress (To[i]);
}

Mimemsg.setrecipients (Javax.mail.internet.MimeMessage.RecipientType.TO, sendTo);
Mimemsg.setsubject (Subject, "gb2312");

MimeBodyPart MessageBodyPart1 = new MimeBodyPart ();
Messagebodypart.settext (Unicodetochinese (text));
Messagebodypart1.setcontent (text, mimetype);

Multipart Multipart = new Mimemultipart ();//Attachment transfer format
Multipart.addbodypart (MESSAGEBODYPART1);

for (int i = 0; i < filenames.length; i++) {
MimeBodyPart messageBodyPart2 = new MimeBodyPart ();
Select each attachment name
String filename = Filenames[i].split (",") [0];
System.out.println ("Appendix Name:" + filename);
String displayname = Filenames[i].split (",") [1];
Get the data source
Filedatasource FDS = new Filedatasource (filename);
Get the attachment itself and into the bodypart
Messagebodypart2.setdatahandler (New DataHandler (FDS));
Get file name same to enter BodyPart
Messagebodypart2.setfilename (displayname);
Messagebodypart2.setfilename (Fds.getname ());
Messagebodypart2.setfilename (Mimeutility.encodetext (displayname));
Multipart.addbodypart (MESSAGEBODYPART2);
}
Mimemsg.setcontent (multipart);
Set the date the letter header was sent
Mimemsg.setsentdate (New Date ());
Mimemsg.savechanges ();
Send mail
Transport.send (MIMEMSG);
Transport.close ();
}

}

Validation class
Package common.util;
Import Javax.mail.Authenticator;
Import javax.mail.PasswordAuthentication;
public class Email_autherticatorbean extends authenticator
{
Private String m_username = null;
Private String m_userpass = null;

public void Setusername (String username)
{
M_username = Username;
}

public void Setuserpass (String userpass)
{
M_userpass = Userpass;
}

Public Email_autherticatorbean (string username, string userpass)
{
Super ();
Setusername (username);
Setuserpass (Userpass);

}
Public Passwordauthentication getpasswordauthentication ()
{

return new Passwordauthentication (M_username,m_userpass);
}
}