The third preference is for the sender email address.

第三个首选项是发送者电子邮件地址。

youdao

Identify the email address of the sender and recipient, as well as a subject and message.

指定发件人和收件人的电子邮件地址、标题和消息。

youdao

Now paste the IP address in this trace route tool and you should get a fairly good idea about the location of the email sender.

然后将ip粘贴到本路由跟踪工具，您应该可以大体知道邮件发送者所在地了。

youdao

While the name tagged to an email sender might suggest "NatWest Bank", a nonsensical email address or one clearly outside the country should raise suspicion.

BBC: Q&A: Phishing for your precious data