spring-boot-email, 依赖spring-boot-parent

• spring-boot

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

@Component("emailSender")
public class EmailSender {
	private Logger logger = LogManager.getLogger(getClass());
	private String defaultFrom = "[email protected]";
	@Autowired
	private JavaMailSender javaMailSender;
	
	/**
	 * 发送邮件
	 * @param to			收件人地址
	 * @param subject		邮件主题
	 * @param content		邮件内容
	 * @author lance
	 */
	public boolean sender(String to, String subject, String content) {
		return sender(to, subject, content, true);
	}
	
	/**
	 * 发送邮件
	 * @param to			收件人地址
	 * @param subject		邮件主题
	 * @param content		邮件内容
	 * @param html			是否格式内容为HTML
	 * @author lance
	 */
	public boolean sender(String to, String subject, String content, boolean html){
		if(StringUtils.isBlank(to)) {
			logger.error("邮件发送失败：收件人地址不能为空.");
			return false;
		}
		return sender(new String[]{to}, subject, content, html);
	}
	
	/**
	 * sender message
	 * @param to
	 * @param subject
	 * @param content
	 * @param html
	 * @return
	 */
	public boolean sender(String[] to, String subject, String content, boolean html){
		if(to == null || to.length == 0) {
			logger.error("批量邮件发送失败：收件人地址不能为空.");
			return false;
		}
		
		SimpleMailMessage simpleMailMessage = new SimpleMailMessage();
		simpleMailMessage.setFrom(defaultFrom);
		simpleMailMessage.setTo(to);
		simpleMailMessage.setSubject(subject);
		simpleMailMessage.setText(content);
		
		try {
			javaMailSender.send(simpleMailMessage);
			return true;
		} catch (MailException e) {
			logger.error("发送邮件错误：{}, TO:{}, Subject:{},Content:{}.", e, to, subject, content);
			return false;
		}
	}
}

###application.properties

# Email (MailProperties)
spring.mail.default-encoding=UTF-8
spring.mail.host=smtp.qq.com
spring.mail.password=123456
spring.mail.port=25
spring.mail.protocol=smtp
spring.mail.test-connection=false
spring.mail.username[email protected]
spring.mail.properties.mail.smtp.auth=true
spring.mail.properties.mail.smtp.starttls.enable=true
spring.mail.properties.mail.transport.protocol=smtps
spring.mail.properties.mail.smtps.quitwait=false