Reprint: http://jingyan.baidu.com/article/9f7e7ec056cbcd6f2815543c.html
Open a Gmail mailbox, open a message, find the sender's e-mail address, copy it,
Paste the email address into the search bar above, then click "Search",
All messages sent by this email are searched,
Click Settings in the top right, pop-up drop-down menu, select "Settings",
Go to the Settings page, select "Filter" and click "Create New Filter",
Pop up the filter settings, fill in the email address of the sender you want to delete, and then click "Create new filter based on this condition",
Tick "Delete mail", tick "apply this filter to the matching dialog" and click "Create New Filter".
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If you delete too many messages, wait a few 10 seconds, click the Inbox, the message is not much less. All messages sent to you by this email have been deleted. If you want to delete another message, do the same.
Gmail mailbox How to bulk delete messages