javaMail 不适用于 OAuth gmail 发送电子邮件

如何解决javaMail 不适用于 OAuth gmail 发送电子邮件

javaMail：使用 google oauth 发送邮件导致 javax.mail.AuthenticationFailedException。

Properties props = new Properties();
props.put("mail.smtp.ssl.enable","true"); // required for Gmail
props.put("mail.smtp.auth.mechanisms","XOAUTH2");

Session session = Session.getInstance(props);
Transport transport = session.getTransport("smtps");
transport.connect("smtp.gmail.com",465,[e-mail],oauth_access_token);

oauth 访问令牌有效，只是在运行代码前大约 20 秒刷新。

错误：

javax.mail.AuthenticationFailedException: 535-5.7.8 Username and Password not accepted. Learn more at
535 5.7.8  https://support.google.com/mail/?p=BadCredentials s136sm158338qka.106 - gsmtp

        at com.sun.mail.smtp.SMTPTransport$Authenticator.authenticate(SMTPTransport.java:965)
        at com.sun.mail.smtp.SMTPTransport.authenticate(SMTPTransport.java:876)
        at com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:780)
        at javax.mail.Service.connect(Service.java:366)

从日志记录来看，auth 似乎使用的是用户名/密码，而不是 OAUTH。指南：https://javaee.github.io/javamail/OAuth2

日志：

DEBUG: JavaMail version 1.6.2
DEBUG: successfully loaded resource: /META-INF/javamail.default.address.map
DEBUG: getProvider() returning javax.mail.Provider[TRANSPORT,smtps,com.sun.mail.smtp.SMTPSSLTransport,Oracle]
DEBUG SMTP: useEhlo true,useAuth false
DEBUG SMTP: trying to connect to host "smtp.gmail.com",port 465,isSSL true
220 smtp.gmail.com ESMTP s136sm158338qka.106 - gsmtp
DEBUG SMTP: connected to host "smtp.gmail.com",port: 465
250-8BITMIME
250-AUTH LOGIN PLAIN XOAUTH2 PLAIN-CLIENTTOKEN OAUTHBEARER XOAUTH
250-ENHANCEDSTATUSCODES
250-PIPELINING
250-CHUNKING
250 SMTPUTF8
DEBUG SMTP: Found extension "SIZE",arg "35882577"
DEBUG SMTP: Found extension "8BITMIME",arg ""
DEBUG SMTP: Found extension "AUTH",arg "LOGIN PLAIN XOAUTH2 PLAIN-CLIENTTOKEN OAUTHBEARER XOAUTH"
DEBUG SMTP: Found extension "ENHANCEDSTATUSCODES",arg ""
DEBUG SMTP: Found extension "PIPELINING",arg ""
DEBUG SMTP: Found extension "CHUNKING",arg ""
DEBUG SMTP: Found extension "SMTPUTF8",arg ""
DEBUG SMTP: protocolConnect login,host=smtp.gmail.com,user=[e-mail],password=<non-null>
DEBUG SMTP: Attempt to authenticate using mechanisms: LOGIN PLAIN DIGEST-MD5 NTLM XOAUTH2
DEBUG SMTP: Using mechanism LOGIN
DEBUG SMTP: AUTH LOGIN command trace suppressed
DEBUG SMTP: AUTH LOGIN failed

解决方法

我认为您需要禁用普通身份验证才能强制 Jakarta Mail 使用 XOAUTH2。

props.put("mail.smtp.auth.plain.disable","true");

,

尝试以下代码：

        Properties props = new Properties()
            props.setProperty("mail.smtp.host","smtp.gmail.com")
            props.setProperty("mail.smtp.port","587")
            props.put("mail.smtp.auth","true")
            props.put("mail.smtp.starttls.enable","true")
            props.put("mail.smtp.starttls.required","true")
            props.put("mail.smtp.auth.mechanisms","XOAUTH2")
            props.put("mail.smtp.auth.login.disable","true")
            props.put("mail.smtp.auth.plain.disable","true")
            props.put("mail.smtp.auth.ntlm.disable","true")
            props.put("mail.debug","true")
            props.put("mail.debug.auth","true")
            Session session = Session.getInstance(props)
            String emptyPassword = ""
            final URLName unusedUrlName = null
            SMTPTransport transport = new SMTPTransport(session,unusedUrlName)
            transport.connect("smtp.gmail.com",googleEmail,googleAccessToken)\
            Multipart multipart = new MimeMultipart()
            BodyPart messageBodyPart = new MimeBodyPart()
            def from = googleEmail
            def to = "[e-mail]"
            def subj = "TestOath2Gmail"
            def body = "TTT"
            message.setFrom(new InternetAddress(googleEmail))
            message.addRecipient(javax.mail.Message.RecipientType.TO,new InternetAddress(to))
            Date sentDate = new Date()
            message.setSentDate(sentDate)
            message.setSubject(subj)
            messageBodyPart.setContent(body,"text/html")
            multipart.addBodyPart(messageBodyPart)
            message.setContent(multipart)
            transport.send(message)

出现错误： 调试 SMTP：使用机制 XOAUTH2 认证 XOAUTH2 235 2.7.0 接受 调试：getProvider() 返回 javax.mail.Provider[TRANSPORT,smtp,com.sun.mail.smtp.SMTPTransport,Oracle] DEBUG SMTP：需要用户名和密码进行身份验证 调试 SMTP：protocolConnect 返回 false，host=smtp.gmail.com，user=username，password=