163郵箱：

#####163郵箱########
spring.mail.host=smtp.163.com
spring.mail.username=lon@163.com
#163郵箱密碼
spring.mail.password=qS
spring.mail.properties.mail.smtp.auth=true
spring.mail.properties.mail.smtp.starttls.enable=true
spring.mail.properties.mail.smtp.starttls.required=true

gmail郵箱：

spring.mail.host=smtp.gmail.com
spring.mail.port=465
[email protected]
spring.mail.password=ndb
spring.mail.properties.mail.smtp.auth=true
spring.mail.properties.mail.debug=true
spring.mail.properties.mail.smtp.port=465
spring.mail.properties.mail.smtp.socketFactory.port=465
spring.mail.properties.mail.smtp.socketFactory.fallback=false
spring.mail.properties.mail.smtp.socketFactory.class=javax.net.ssl.SSLSocketFactory
spring.mail.properties.mail.smtp.ssl.enable=true

例子：

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.Component;

@Component
 
public class MailUtil {

    @Autowired
    private JavaMailSender javaMailSender;

    @Value("${spring.mail.username}")
    private String username;

    public void send(String email, String subject, String body) {
        SimpleMailMessage message = new SimpleMailMessage();
        message.setFrom(username);
        message.setTo(email);
        message.setSubject(subject);
        message.setText(body);
        javaMailSender.send(message);
    }

}
 

JavaMailSender郵箱配置