Spring配置邮件发送

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SpringBoot使用SMTP协议邮件发送。

协议分类

SMTP协议

SMTP的全称是“Simple Mail Transfer Protocol”，即”简单邮件传输协议”。它是一组用于从源地址到目的地址传输邮件的规范，通过它来控制邮件的中转方式

POP协议

POP全称是 Post Office Protocol，邮局协议。它定义了邮件客户端软件和POP3邮件服务器的通信规则

IMAP

IMAP全称是 Internet Message Access Protocol,Internet消息访问协议，它是对POP3协议的一种扩展，也是定义了邮件客户端软件和IMAP邮件服务器的通信规则

依赖

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<dependency>
	<groupId>org.springframework.boot</groupId>
	<artifactId>spring-boot-starter-mail</artifactId>
</dependency>

配置文件

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spring.mail.host=smtp.qq.com
spring.mail.port=25
spring.mail.username=xxxqq.com
spring.mail.from=xxx@qq.com
spring.mail.password=xxxx //授权密码
spring.mail.default-encoding=UTF-8
spring.mail.protocol=smtp
spring.mail.properties.mail.smtp.auth=true
spring.mail.properties.mail.smtp.starttls.enable=true
spring.mail.properties.mail.smtp.starttls.required=true
spring.mail.properties.mail.smtp.socketFactory.class=javax.net.ssl.SSLSocketFactory

测试

全局变量
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//邮件发送接口
@Resource
private JavaMailSender mailSender;
//发送人昵称
@Value("${spring.mail.username}")
private String nick;
简单邮件
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//简单邮件
SimpleMailMessage simpleMailMessage = new SimpleMailMessage();
// 发件人邮箱
simpleMailMessage.setFrom(String.valueOf(new InternetAddress(nick + "<" + "xxx@qq.com" + ">")));
// 收件人
simpleMailMessage.setTo("xxxx@163.com");
simpleMailMessage.setSubject("这是一封测试邮件！！！");
//4.设置邮件内容
String stringBuilder = "SpirngBoot测试邮件HTML";
simpleMailMessage.setText(stringBuilder);
mailSender.send(simpleMailMessage);
System.out.println("邮件发送成功....");

邮件参数

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/**
 * The "To" (primary) recipients.收件人
 */
public static final RecipientType TO = new RecipientType("To");
/**
 * The "Cc" (carbon copy) recipients.抄送人
 */
public static final RecipientType CC = new RecipientType("Cc");
/**
 * The "Bcc" (blind carbon copy) recipients.密送人
 */
public static final RecipientType BCC = new RecipientType("Bcc");
HTML格式邮件
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MimeMessage mimeMailMessage = null;
try {
    mimeMailMessage = mailSender.createMimeMessage();
    //收件人
    mimeMailMessage.addRecipients(Message.RecipientType.TO,String.valueOf(new InternetAddress("xxx@163.com")));
    //抄送人
    mimeMailMessage.addRecipients(Message.RecipientType.CC,String.valueOf(new InternetAddress("xxx@163.com")));
    MimeMessageHelper mimeMessageHelper = new MimeMessageHelper(mimeMailMessage, true);
    //发送人
    mimeMessageHelper.setFrom("xxx@qq.com");
    //收件人
    mimeMessageHelper.setTo("xxx@163.com");
    mimeMessageHelper.setSubject("邮件测试");
    String sb = "<h1>SpirngBoot测试邮件HTML</h1>" +
        "<p style='color:#F00'>你是真的太棒了！</p>" +
        "<p style='text-align:right'>右对齐</p>";
    mimeMessageHelper.setText(sb, true);
    mailSender.send(mimeMailMessage);
} catch (Exception e) {
    logger.error("邮件发送失败", e.getMessage());
}
带附件邮件
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MimeMessage mimeMailMessage = null;
try {
    mimeMailMessage = javaMailSender.createMimeMessage();
    MimeMessageHelper mimeMessageHelper = new MimeMessageHelper(mimeMailMessage, true);
    mimeMessageHelper.setFrom("xxx@qq.com");
    mimeMessageHelper.setTo("xxx@163.com");
    mimeMessageHelper.setSubject("邮件测试");
    mimeMessageHelper.setText("");
    //文件路径
    FileSystemResource file = new FileSystemResource(new File("src/main/resources/static/image/mail.png"));
    mimeMessageHelper.addAttachment("mail.png", file);
    javaMailSender.send(mimeMailMessage);
} catch (Exception e) {
	logger.error("邮件发送失败", e.getMessage());
}
带有图片邮件
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MimeMessage mimeMailMessage = null;
try {
    mimeMailMessage = mailSender.createMimeMessage();
    MimeMessageHelper mimeMessageHelper = new MimeMessageHelper(mimeMailMessage, true);
    mimeMailMessage.addRecipients(Message.RecipientType.TO,String.valueOf(new InternetAddress("xxx@163.com")));
    mimeMailMessage.addRecipients(Message.RecipientType.CC,String.valueOf(new InternetAddress("xxx@163.com")));
    mimeMessageHelper.setFrom("xxx@qq.com");
    mimeMessageHelper.setTo("xxx@163.com");
    mimeMessageHelper.setSubject("邮件测试");
    String sb = "<html><body><img src='cid:picture' /></body></html>";
    mimeMessageHelper.setText(sb, true);
    //文件路径
    FileSystemResource file = new FileSystemResource(new File("F:/图片/75afd5dff626dcc229afcf0ca33cc378.jpg"));
    mimeMessageHelper.addInline("picture", file);
    mailSender.send(mimeMailMessage);
} catch (Exception e) {
	log.error("邮件发送失败{}", e.getMessage());
}

多人邮件

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//多次调用此方法
mimeMailMessage.addRecipients(Message.RecipientType.TO,String.valueOf(new InternetAddress("xxx@163.com")));