SMTP error, HELO: 500 5.3.3 Unrecognized command
发布时间:2013-11-27 23:16:21
错误代码 | SMTP error, HELO: 500 5.3.3 Unrecognized command. |
形成原因 | 表示收信方服务器认为smtp会话过程中存在他们认为不合理的指令。网易企业邮箱是符合国际邮件系统标准的。有可能是收信服务器故障,或者误判。 |
解决办法/流程 | 这是收信域返回的退信英文说明:SMTP error, HELO: 500 5.3.3 Unrecognized command.表示收信方服务器认为smtp回话过程中存在他们认为不合理的指令。网易企业邮箱是遵循国际邮件系统标准的,此情况有可能是收信服务器故障,或者误判。我们测试使用其他品牌邮箱发送,邮件一直处于投递状态,无法成功发送。建议收件人向收信服务器管理员反馈,或提供收信服务器管理员联系方式,由我方协助咨询。 |
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原文分享地址:http://www.hb-163.com/fault/policy/672.html
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