spring-boot-mail

spring-boot-mail

Sending Emails with Attachments

Simple Email Template

Handling Send Errors

常见错误

javax.mail.AuthenticationFailedException: 535 5.7.3 Authentication unsuccessful

账号密码错误

javax.mail.AuthenticationFailedException: No authentication mechanisms supported by both server and client

spring.mail.propertes.mail.auth.mechanisms: NTLM

com.sun.mail.smtp.SMTPSendFailedException: 501 5.1.7 Invalid address

没有设置mail.from

javax.mail.MessagingException: STARTTLS is required but host does not support STARTTLS

Mail server 不支持TLS

References

https://docs.spring.io/spring-boot/docs/1.5.13.RELEASE/reference/htmlsingle/#boot-features-email

https://docs.spring.io/spring/docs/5.1.4.RELEASE/spring-framework-reference/integration.html#mail

https://www.baeldung.com/spring-email

Dependencies

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

interfaces and classes

MailSender

interface

JavaMailSender

JavaMailSenderImpl

class

MailMessage

SimpleMailMessage

MimeMessagePreparator

MimeMessageHelper

Properties

Spring

SpringBoot

spring.mail.host=smtp.gmail.comspring.mail.port=587spring.mail.username=<login user to smtp server>spring.mail.password=<login password to smtp server>spring.mail.properties.mail.smtp.auth=truespring.mail.properties.mail.smtp.starttls.enable=true

/META-INF/javamail.default.providers

Sending Simple Emails