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1969.10.,世界第一封电子邮件。
1987.9.,中国第一封电子邮件。
30 年发展。
Java 发送邮件。
Spring 发送邮件。
<?xml version="1.0" encoding="UTF-8"?>
<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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.2.6.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.geek</groupId>
<artifactId>springboot-mail</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>springboot-mail</name>
<description>Demo project for Spring Boot</description>
<properties>
<java.version>1.8</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-mail</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
<!-- <exclusions>
<exclusion>
<groupId>org.junit.vintage</groupId>
<artifactId>junit-vintage-engine</artifactId>
</exclusion>
</exclusions>-->
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
spring.mail.host=smtp.qq.com
spring.mail.username=lyfGeek@qq.com
spring.mail.password=(邮箱授权码)
spring.mail.default-encoding=utf-8
package com.geek.springbootmail.service;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.mail.SimpleMailMessage;
import org.springframework.mail.javamail.JavaMailSender;
import org.springframework.stereotype.Service;
@Service
public class MailService {
@Value("${spring.mail.username}")
private String from;
@Autowired
private JavaMailSender javaMailSender;
public void sayHello() {
System.out.println("Hello, World.");
}
public void sendSimpleMail(String to, String subject, String content) {
SimpleMailMessage simpleMailMessage = new SimpleMailMessage();
simpleMailMessage.setTo(to);
simpleMailMessage.setSubject(subject);
simpleMailMessage.setText(content);
simpleMailMessage.setFrom(from);
javaMailSender.send(simpleMailMessage);
}
}
package com.geek.springbootmail.service;
import org.junit.jupiter.api.Test;
import org.junit.runner.RunWith;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;
import javax.annotation.Resource;
@RunWith(SpringRunner.class)
@SpringBootTest
class MailServiceTest {
@Resource
private MailService mailService;
@Test
void sayHello() {
mailService.sayHello();
}
@Test
void sendSimpleMail() {
mailService.sendSimpleMail("lyfGeek56@gmail.com", "Spring Boot Mail Test.", "Hello Spring Boot Mail, ");
}
}
multipart
adj.多部件的;多元件的;由几部分组成的
package com.geek.springbootmail.service;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.mail.SimpleMailMessage;
import org.springframework.mail.javamail.JavaMailSender;
import org.springframework.mail.javamail.MimeMessageHelper;
import org.springframework.stereotype.Service;
import javax.mail.MessagingException;
import javax.mail.internet.MimeMessage;
@Service
public class MailService {
@Value("${spring.mail.username}")
private String from;
@Autowired
private JavaMailSender javaMailSender;
public void sayHello() {
System.out.println("Hello, World.");
}
public void sendSimpleMail(String to, String subject, String content) {
SimpleMailMessage simpleMailMessage = new SimpleMailMessage();
simpleMailMessage.setTo(to);
simpleMailMessage.setSubject(subject);
simpleMailMessage.setText(content);
simpleMailMessage.setFrom(from);
javaMailSender.send(simpleMailMessage);
}
public void sendHtmlMail(String to, String subject, String content) throws MessagingException {
MimeMessage mimeMessage = javaMailSender.createMimeMessage();
MimeMessageHelper mimeMessageHelper = new MimeMessageHelper(mimeMessage, true);
mimeMessageHelper.setTo(to);
mimeMessageHelper.setSubject(subject);
mimeMessageHelper.setText(content, true);
mimeMessageHelper.setFrom(from);
javaMailSender.send(mimeMessage);
}
}
package com.geek.springbootmail.service;
import org.junit.jupiter.api.Test;
import org.junit.runner.RunWith;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;
import javax.annotation.Resource;
import javax.mail.MessagingException;
@RunWith(SpringRunner.class)
@SpringBootTest
class MailServiceTest {
@Resource
private MailService mailService;
@Test
void sayHello() {
mailService.sayHello();
}
@Test
void sendSimpleMail() {
mailService.sendSimpleMail("lyfGeek56@gmail.com", "Spring Boot Mail Test.", "Hello Spring Boot Mail, ");
}
@Test
void sendHtmlMail() throws MessagingException {
String content = "<html>" +
"<body>" +
"<h3> hello world, html </h3>" +
"</body>" +
"</html>";
mailService.sendHtmlMail("yflGeek@gmail.com", "Spring Boot Mail (html).", content);
}
}
@Service
public class MailService {
@Value("${spring.mail.username}")
private String from;
@Autowired
private JavaMailSender javaMailSender;
public void sendAttachmentMail(String to, String subject, String content, String filePath) throws MessagingException {
MimeMessage mimeMessage = javaMailSender.createMimeMessage();
MimeMessageHelper mimeMessageHelper = new MimeMessageHelper(mimeMessage, true);
mimeMessageHelper.setFrom(from);
mimeMessageHelper.setTo(to);
mimeMessageHelper.setSubject(subject);
mimeMessageHelper.setText(content, true);
FileSystemResource fileSystemResource = new FileSystemResource(new File(filePath));
String filename = fileSystemResource.getFilename();
mimeMessageHelper.addAttachment(filename, fileSystemResource);
javaMailSender.send(mimeMessage);
}
}
package com.geek.springbootmail.service;
import org.junit.jupiter.api.Test;
import org.junit.runner.RunWith;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;
import javax.annotation.Resource;
import javax.mail.MessagingException;
@RunWith(SpringRunner.class)
@SpringBootTest
class MailServiceTest {
@Resource
private MailService mailService;
@Test
void sayHello() {
mailService.sayHello();
}
@Test
void sendSimpleMail() {
mailService.sendSimpleMail("lyfGeek56@gmail.com", "Spring Boot Mail Test.", "Hello Spring Boot Mail, ");
}
@Test
void sendHtmlMail() throws MessagingException {
String content = "<html>" +
"<body>" +
"<h3> hello world, html </h3>" +
"</body>" +
"</html>";
mailService.sendHtmlMail("yflGeek@gmail.com", "Spring Boot Mail (html).", content);
}
@Test
void sendAttachmentMail() throws MessagingException {
String filePath = "C:\\Users\\geek\\Desktop\\png。\\jdk_jre。.png";
mailService.sendAttachmentMail("yflGeek@gmail.com", "Spring Boot Mail (Attachment).", "Attachment...", filePath);
}
}
package com.geek.springbootmail.service;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.core.io.FileSystemResource;
import org.springframework.mail.SimpleMailMessage;
import org.springframework.mail.javamail.JavaMailSender;
import org.springframework.mail.javamail.MimeMessageHelper;
import org.springframework.stereotype.Service;
import javax.mail.MessagingException;
import javax.mail.internet.MimeMessage;
import java.io.File;
@Service
public class MailService {
@Value("${spring.mail.username}")
private String from;
@Autowired
private JavaMailSender javaMailSender;
public void sendInlineResourceMail(String to, String subject, String content, String rscPath, String rscId) throws MessagingException {
MimeMessage mimeMessage = javaMailSender.createMimeMessage();
MimeMessageHelper mimeMessageHelper = new MimeMessageHelper(mimeMessage, true);
mimeMessageHelper.setFrom(from);
mimeMessageHelper.setTo(to);
mimeMessageHelper.setSubject(subject);
mimeMessageHelper.setText(content, true);
FileSystemResource fileSystemResource = new FileSystemResource(new File(rscPath));
mimeMessageHelper.addInline(rscId, fileSystemResource);
javaMailSender.send(mimeMessage);
}
}
package com.geek.springbootmail.service;
import org.junit.jupiter.api.Test;
import org.junit.runner.RunWith;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;
import javax.annotation.Resource;
import javax.mail.MessagingException;
@RunWith(SpringRunner.class)
@SpringBootTest
class MailServiceTest {
@Resource
private MailService mailService;
@Test
void sayHello() {
mailService.sayHello();
}
@Test
void sendSimpleMail() {
mailService.sendSimpleMail("lyfGeek56@gmail.com", "Spring Boot Mail Test.", "Hello Spring Boot Mail, ");
}
@Test
void sendHtmlMail() throws MessagingException {
String content = "<html>" +
"<body>" +
"<h3> hello world, html </h3>" +
"</body>" +
"</html>";
mailService.sendHtmlMail("yflGeek@gmail.com", "Spring Boot Mail (html).", content);
}
@Test
void sendAttachmentMail() throws MessagingException {
String filePath = "C:\\Users\\geek\\Desktop\\png。\\jdk_jre。.png";
mailService.sendAttachmentMail("yflGeek@gmail.com", "Spring Boot Mail (Attachment).", "Attachment...", filePath);
}
@Test
void sendInlineResourceMail() throws MessagingException {
String imgPath = "C:\\Users\\geek\\Desktop\\png。\\jdk_jre。.png";
String rscId = "geek01";
String content = "<html><body> A mail with images. <img src=\'cid: " - rscId - "\'> </img></body></html>";
mailService.sendInlineResourceMail("yflGeek@gmail.com", "Spring Boot Mail (image).", content, imgPath, rscId);
}
}
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency>
package com.geek.springbootmail.service;
import org.junit.jupiter.api.Test;
import org.junit.runner.RunWith;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;
import org.thymeleaf.TemplateEngine;
import org.thymeleaf.context.Context;
import javax.annotation.Resource;
import javax.mail.MessagingException;
@RunWith(SpringRunner.class)
@SpringBootTest
class MailServiceTest {
@Resource
private MailService mailService;
@Resource
private TemplateEngine templateEngine;
@Test
public void testTemplateMail() throws MessagingException {
Context context = new Context();
context.setVariable("id", "001");
String emailContent = templateEngine.process("emailTemplate", context);
mailService.sendHtmlMail("YifanLiGeek@gmail.com", "这是一个模板邮件。", emailContent);
}
}
<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
你好,这是一封验证邮件,感谢您的注册。请点击以下链接完成注册。感谢您的支持。
<a href="#" th:href="@{http://www.ityouknow.com/register/{id}(id=${id})}">激活账户</a>
</body>
</html>
package com.geek.springbootmail.service;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.core.io.FileSystemResource;
import org.springframework.mail.SimpleMailMessage;
import org.springframework.mail.javamail.JavaMailSender;
import org.springframework.mail.javamail.MimeMessageHelper;
import org.springframework.stereotype.Service;
import javax.mail.MessagingException;
import javax.mail.internet.MimeMessage;
import java.io.File;
@Service
public class MailService {
private final Logger logger = LoggerFactory.getLogger(this.getClass());
@Value("${spring.mail.username}")
private String from;
@Autowired
private JavaMailSender javaMailSender;
public void sendInlineResourceMail(String to, String subject, String content, String rscPath, String rscId) {
logger.info("发送静态邮件开始。{}, {}, {}, {}, {}", to, subject, content, rscPath, rscId);
MimeMessage mimeMessage = javaMailSender.createMimeMessage();
MimeMessageHelper mimeMessageHelper = null;
try {
mimeMessageHelper = new MimeMessageHelper(mimeMessage, true);
mimeMessageHelper.setFrom(from);
mimeMessageHelper.setTo(to);
mimeMessageHelper.setSubject(subject);
mimeMessageHelper.setText(content, true);
FileSystemResource fileSystemResource = new FileSystemResource(new File(rscPath));
mimeMessageHelper.addInline(rscId, fileSystemResource);
javaMailSender.send(mimeMessage);
logger.info("发送静态图片邮件成功。");
} catch (MessagingException e) {
logger.error("发送静态邮件失败。", e);
e.printStackTrace();
}
}
}
https://help.mail.163.com/faqDetail.do?code=d7a5dc8471cd0c0e8b4b8f4f8e49998b374173cfe9171305fa1ce630d7f67ac28218e37dcd9adbaa
退信代码说明:
•554 DT:SPM 发送的邮件内容包含了未被许可的信息,或被系统识别为垃圾邮件。请检查是否有用户发送病毒或者垃圾邮件;
如果您是客户端或者程序发送正常邮件,被判定垃圾邮件的大部分原因是因为ip被多个RBL拉黑,您可以在此处查看ip是否被拉黑,如果被拉黑,您可以选择在对应网站申诉,或者联系您的网络运营商,服务器提供商,申请更换发信ip。
•421 HL:REP 该IP发送行为异常,存在接收者大量不存在情况,被临时禁止连接。请检查是否有用户发送病毒或者垃圾邮件,并核对发送列表有效性;
•421 HL:ICC 该IP同时并发连接数过大,超过了网易的限制,被临时禁止连接。请检查是否有用户发送病毒或者垃圾邮件,并降低IP并发连接数量;
•421 HL:IFC 该IP短期内发送了大量信件,超过了网易的限制,被临时禁止连接。请检查是否有用户发送病毒或者垃圾邮件,并降低发送频率;
•421 HL:MEP 该IP发送行为异常,存在大量伪造发送域域名行为,被临时禁止连接。请检查是否有用户发送病毒或者垃圾邮件,并使用真实有效的域名发送;
•450 MI:CEL 发送方出现过多的错误指令。请检查发信程序;
•450 MI:DMC 当前连接发送的邮件数量超出限制。请减少每次连接中投递的邮件数量;
•450 MI:CCL 发送方发送超出正常的指令数量。请检查发信程序;
•450 RP:DRC 当前连接发送的收件人数量超出限制。请控制每次连接投递的邮件数量;
•450 RP:CCL 发送方发送超出正常的指令数量。请检查发信程序;
•450 DT:RBL 发信IP位于一个或多个RBL里。请参考http://www.rbls.org/关于RBL的相关信息;
•450 WM:BLI 该IP不在网易允许的发送地址列表里;
•450 WM:BLU 此用户不在网易允许的发信用户列表里;
•451 DT:SPM ,please try again 邮件正文带有垃圾邮件特征或发送环境缺乏规范性,被临时拒收。请保持邮件队列,两分钟后重投邮件。需调整邮件内容或优化发送环境;
•451 Requested mail action not taken: too much fail authentication 登录失败次数过多,被临时禁止登录。请检查密码与帐号验证设置;
•451 RP:CEL 发送方出现过多的错误指令。请检查发信程序;
•451 MI:DMC 当前连接发送的邮件数量超出限制。请控制每次连接中投递的邮件数量;
•451 MI:SFQ 发信人在15分钟内的发信数量超过限制,请控制发信频率;
•451 RP:QRC 发信方短期内累计的收件人数量超过限制,该发件人被临时禁止发信。请降低该用户发信频率;
•451 Requested action aborted: local error in processing 系统暂时出现故障,请稍后再次尝试发送;
•500 Error: bad syntaxU 发送的smtp命令语法有误;
•550 MI:NHD HELO命令不允许为空;
•550 MI:IMF 发信人电子邮件地址不合规范。请参考http://www.rfc-editor.org/关于电子邮件规范的定义;
•550 MI:SPF 发信IP未被发送域的SPF许可。请参考http://www.openspf.org/关于SPF规范的定义;
•550 MI:DMA 该邮件未被发信域的DMARC许可。请参考http://dmarc.org/关于DMARC规范的定义;
•550 MI:STC 发件人当天的连接数量超出了限定数量,当天不再接受该发件人的邮件。请控制连接次数;
•550 RP:FRL 网易邮箱不开放匿名转发(Open relay);
•550 RP:RCL 群发收件人数量超过了限额,请减少每封邮件的收件人数量;
•550 RP:TRC 发件人当天内累计的收件人数量超过限制,当天不再接受该发件人的邮件。请降低该用户发信频率;
•550 DT:SPM 邮件正文带有很多垃圾邮件特征或发送环境缺乏规范性。需调整邮件内容或优化发送环境;
•550 Invalid User 请求的用户不存在;
•550 User in blacklist 该用户不被允许给网易用户发信;
•550 User suspended 请求的用户处于禁用或者冻结状态;
•550 Requested mail action not taken: too much recipient 群发数量超过了限额;
•552 Illegal Attachment 不允许发送该类型的附件,包括以.uu .pif .scr .mim .hqx .bhx .cmd .vbs .bat .com .vbe .vb .js .wsh等结尾的附件;
•552 Requested mail action aborted: exceeded mailsize limit 发送的信件大小超过了网易邮箱允许接收的最大限制;
•553 Requested action not taken: NULL sender is not allowed 不允许发件人为空,请使用真实发件人发送;
•553 Requested action not taken: Local user only SMTP类型的机器只允许发信人是本站用户;
•553 Requested action not taken: no smtp MX only MX类型的机器不允许发信人是本站用户;
•553 authentication is required SMTP需要身份验证,请检查客户端设置;
•554 DT:SUM 信封发件人和信头发件人不匹配;
•554 IP is rejected, smtp auth error limit exceed 该IP验证失败次数过多,被临时禁止连接。请检查验证信息设置;
•554 HL:IHU 发信IP因发送垃圾邮件或存在异常的连接行为,被暂时挂起。请检测发信IP在历史上的发信情况和发信程序是否存在异常;
•554 HL:IPB 该IP不在网易允许的发送地址列表里;
•554 MI:STC 发件人当天内累计邮件数量超过限制,当天不再接受该发件人的投信。请降低发信频率;
•554 MI:SPB 此用户不在网易允许的发信用户列表里;
•554 IP in blacklist 该IP不在网易允许的发送地址列表里。
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