Host aol.com(205.188.103.1) OPEN said 421 4.7.1 : (DYN:T1) http://postmaster.info.aol.com/errors/421dynt1.html
发布时间：2013-11-27 18:40:54
| 错误代码 | Host aol.com(205.188.103.1) OPEN said 421 4.7.1 : (DYN:T1) http://postmaster.info.aol.com/errors/421dynt1.html |
| 形成原因 | 由于发件方ip被收件方参考的反垃圾组织加入黑名单，邮件投递失败。 |
| 解决办法/流程 | 由于发件方ip被收件方参考的反垃圾组织加入黑名单，邮件投递失败。我方工程师已经代用户向对方投诉此问题，需要等待对方的回应，暂时发信方可以尝试重复投递邮件，谢谢！ |
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