Enter the qq mailbox, click the inbox, and select the friends to view.
Click the inbox to open the email of other IP you want to query.
In the upper right corner of the email content, click the icon with the reverse greater than sign.
Then click "Show Original Mail"
In the original email, you can see that there are several IP addresses. The IP address shown in the figure is the IP address of the other party.
Copy the ip number to the ip address query page, and you can see where it was sent.
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