我从单位发送到外边的邮件后,一段时间后出现退回的错误信息
您好！
我从单位发送到外边的邮件后,一段时间后出现退回的错误信息如下:
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This is an automatically generated Delivery Status Notification.
THIS IS A WARNING MESSAGE ONLY.
YOU DO NOT NEED TO RESEND YOUR MESSAGE.
Delivery to the following recipients has been delayed.
lixingjames@21cn.com
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请求帮助!
谢谢！
James
