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退信提示:“SMTP error, DATA:554 One or more of the sender or recipients in your email are invalid and not accepted.”-退信-网易企业邮箱-企业邮箱-163企业邮箱,电话:400-9933-163 {}
网易29年企业服务运营经验 北京圣盾科技有限公司 网易企业产品签约经销商:

退信提示:“SMTP error, DATA:554 One or more of the sender or recipients in your email are invalid and not accepted.”

邮件被收件方拒收,收件方返回退信说明用户不存在。

请先确认邮箱地址是否填写准确。

若邮箱地址准确,建议同收件方确认以下信息:

1、收件域的mx指向是否正确;

2、收件账号是否存在;

3、

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