未指定返回地址，请检查服务属性。

No return address specified. Check your service properties.

youdao

您未指定电子邮件地址。

Your email address has not been specified.

youdao

未指定发件人。请在“邮件和新闻组”首选项中填写您的电子邮件地址。 收藏。

No sender was specified. Please fill in your email address in the Mail and Newsgroup preferences.

youdao

未指定发件人。请在“邮件和新闻组”首选项中填写您的电子邮件地址。 收藏。

No sender was specified. Please fill in your email address in the Mail and Newsgroup preferences.

youdao