Spring comes with a useful ‘org.springframework.mail.javamail.JavaMailSenderImpl‘ class to simplify the e-mail sending process via JavaMail API. Here’s a Maven build project to use Spring’s ‘JavaMailSenderImpl‘ to send an email via Gmail SMTP server.

1. Project dependency

Add the JavaMail and Spring’s dependency.

File : pom.xml

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd"><modelVersion>4.0.0</modelVersion><groupId>com.mkyong.common</groupId><artifactId>SpringExample</artifactId><packaging>jar</packaging><version>1.0-SNAPSHOT</version><name>SpringExample</name><url>http://maven.apache.org</url><repositories><repository><id>Java.Net</id><url>http://download.java.net/maven/2/</url></repository></repositories><dependencies><dependency><groupId>junit</groupId><artifactId>junit</artifactId><version>3.8.1</version><scope>test</scope></dependency><!-- Java Mail API --><dependency><groupId>javax.mail</groupId><artifactId>mail</artifactId><version>1.4.3</version></dependency><!-- Spring framework --><dependency><groupId>org.springframework</groupId><artifactId>spring</artifactId><version>2.5.6</version></dependency></dependencies> </project>

2. Spring’s Mail Sender

A Java class to send email with the Spring’s MailSender interface.

File : MailMail.java

package com.mkyong.common;import org.springframework.mail.MailSender; import org.springframework.mail.SimpleMailMessage;public class MailMail {private MailSender mailSender;public void setMailSender(MailSender mailSender) {this.mailSender = mailSender;}public void sendMail(String from, String to, String subject, String msg) {SimpleMailMessage message = new SimpleMailMessage();message.setFrom(from);message.setTo(to);message.setSubject(subject);message.setText(msg);mailSender.send(message); } }

3. Bean configuration file

Configure the mailSender bean and specify the email details for the Gmail SMTP server.

Note
Gmail configuration details –?http://mail.google.com/support/bin/answer.py?hl=en&answer=13287

File : Spring-Mail.xml

<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd"><bean id="mailSender" class="org.springframework.mail.javamail.JavaMailSenderImpl"><property name="host" value="smtp.gmail.com" /><property name="port" value="587" /><property name="username" value="username" /><property name="password" value="password" /><property name="javaMailProperties"><props><prop key="mail.smtp.auth">true</prop><prop key="mail.smtp.starttls.enable">true</prop></props></property> </bean><bean id="mailMail" class="com.mkyong.common.MailMail"><property name="mailSender" ref="mailSender" /> </bean></beans>

4. Run it

package com.mkyong.common;import org.springframework.context.ApplicationContext; import org.springframework.context.support.ClassPathXmlApplicationContext;public class App {public static void main( String[] args ){ApplicationContext context = new ClassPathXmlApplicationContext("Spring-Mail.xml");MailMail mm = (MailMail) context.getBean("mailMail");mm.sendMail("from@no-spam.com","to@no-spam.com","Testing123", "Testing only \n\n Hello Spring Email Sender");} }

referenc from：http://www.mkyong.com/spring/spring-sending-e-mail-via-gmail-smtp-server-with-mailsender/

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轉(zhuǎn)載于:https://www.cnblogs.com/davidwang456/p/4253817.html

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