SMTP error, MAIL FROM: 550 5.0.0 Mail rejected due to possible SPAM
发布时间：2013-11-28 10:13:50
| 错误代码 | SMTP error, MAIL FROM: 550 5.0.0 Mail rejected due to possible SPAM |
| 形成原因 | 退信表明此邮件被判别为垃圾邮件而拒绝发送。 |
| 解决办法/流程 | 这是对方服务器返回的退信，退信表明此邮件被判别为垃圾邮件而拒绝发送。发送垃圾邮件有可能导致您的帐号，或者IP被国际反垃圾组织加黑，建议调整邮件的内容再尝试发信，谢谢！ |
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