java调用邮箱报错解决：Client was not authenticated to send anonymous mail during MAIL FROM

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本文详细解析了在使用Java Mail API发送邮件时遇到的5305.7.57 SMTP错误，即客户端未被认证发送匿名邮件。通过调整配置参数，如启用starttls并设置正确的主机和端口，成功解决了邮件发送失败的问题。

邮件发送报错信息

com.sun.mail.smtp.SMTPSendFailedException: 530 5.7.57 SMTP; Client was not authenticated to send anonymous mail during MAIL FROM

错误信息：

com.sun.mail.smtp.SMTPSendFailedException: 530 5.7.57 SMTP; Client was not authenticated to send anonymous mail during MAIL FROM [HK0PR03CA0038.apcprd03.prod.outlook.com]

    at com.sun.mail.smtp.SMTPTransport.issueSendCommand(SMTPTransport.java:2108)
    at com.sun.mail.smtp.SMTPTransport.mailFrom(SMTPTransport.java:1609)
    at com.sun.mail.smtp.SMTPTransport.sendMessage(SMTPTransport.java:1117)
    at javax.mail.Transport.send0(Transport.java:254)
    at javax.mail.Transport.send(Transport.java:124)

maven依赖：

        <!-- https://mvnrepository.com/artifact/javax.mail/mail -->
        <dependency>
            <groupId>javax.mail</groupId>
            <artifactId>mail</artifactId>
            <version>1.4.7</version>
        </dependency>

配置信息如下

            Properties pro = System.getProperties();
            pro.put("mail.smtp.host", host);
            pro.put("mail.smtp.port", port);
            pro.put("mail.smtp.auth", "true");

增加 pro.put("mail.smtp.starttls.enable", "true");

            pro.put("mail.smtp.host", host);
            pro.put("mail.smtp.port", port);
            pro.put("mail.smtp.auth", "true");
            pro.put("mail.smtp.starttls.enable", "true");

发送成功。

感谢https://blog.youkuaiyun.com/sinat_33324214/article/details/52910186