SPRINGMVC Mail Sending

Source: Internet
Author: User

<!--mail delivery implementation class--

<bean id= "Javamailsender" class= "Org.springframework.mail.javamail.JavaMailSenderImpl" >

<property name= "host" value= "smtp.qq.com"/>

<property name= "Port" value= "/>"

<property name= "username" value= "your Mailbox"/>

<property name= "Password" value= "Your mailbox password"/>

<property name= "Javamailproperties" >

<props >

<prop key= "Mail.smtp.auth" >true</prop>




<bean id= "Simplemailmessage" class= "Org.springframework.mail.SimpleMailMessage" >

<property name= "from" value= "sender"/>

<property name= "Subject" value= "Mail Subject"/>


<property name= "text" value= "Mail Content"/>



<!--thread pool sending mail asynchronously--

<bean id= "Taskexecutor" class= "Org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor" >

<property name= "Corepoolsize" value= "5"/>

<property name= "Maxpoolsize" value= "ten"/>

<property name= "queuecapacity" value= "/>"


<!--freemarker Templates--

<bean id= "Freemarkerconfigurer" class= "Org.springframework.web.servlet.view.freemarker.FreeMarkerConfigurer" >

<property name= "Templateloaderpath" value= "Classpath:template"/>

<!--<property name= "Templateloaderpath" value= "/template"/>-->

<property name= "Freemarkersettings" >


<prop key= "Locale" >zh_CN</prop>

<prop key= "Default_encoding" >UTF-8</prop>




Tool classes for sending messages: (using annotations as a class for managing mail delivery)

public class MailSender {


Private Javamailsender Javamailsender;


Private Simplemailmessage simplemailmessage;


Private Freemarkerconfigurer Freemarkerconfigurer;


Private Taskexecutor Taskexecutor;


* Build message content and send mail.

* @param user

* @param URL link


public void Send (user user, String url,string email) {

String nickname = User.getnickname ();

String to = email;

String text = "";

map<string, string> map = new hashmap<string, string> (1);

Map.put ("url", url);

try {

Generate message content from Freemarker templates

Template template = Freemarkerconfigurer.getconfiguration (). GetTemplate ("REGISTER_MAIL.FTL");

${XXX} in the template, the value of key XXX in map replaces the placeholder content.

Text = freemarkertemplateutils.processtemplateintostring (template, map);

} catch (IOException e) {

E.printstacktrace ();

} catch (Templateexception e) {

E.printstacktrace ();


This.taskExecutor.execute (New Sendmailthread (To,null,text));


An internal threading class that uses the thread pool to send messages asynchronously.

Private class Sendmailthread implements Runnable {

Private String to;

Private String subject;

Private String content;

Private Sendmailthread (string to, string subject, string content) {

Super ();

This.to = to;

This.subject = subject;

this.content = content;



public void Run () {

SendMail (to, subject, content);




* Send mail

* @param to Recipient mailbox

* @param subject Mail subject

* @param content messages


public void SendMail (string to, string subject, string content) {

try {

MimeMessage message = Javamailsender.createmimemessage ();

Mimemessagehelper messagehelper = new Mimemessagehelper (message, True, "UTF-8");

Messagehelper.setfrom (Simplemailmessage.getfrom ());

if (subject! = NULL) {

Messagehelper.setsubject (subject);

} else {

Messagehelper.setsubject (Simplemailmessage.getsubject ());


Messagehelper.setto (to);

Messagehelper.settext (content, true);

Javamailsender.send (message);

} catch (Messagingexception e) {

E.printstacktrace ();



SPRINGMVC Mail Sending

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