How do you delete 100's of emails from an email address at once?

[Zeo]

I have not been on the computer for some time and upon downloading have found
many emails from several senders. I wish to receive future emails from these
senders so cannot block them. How then do I delete 100's of emails from a
sender easily?

Thankyou in advance for any assistance you can provide.

 

[Gordon]

I have not been on the computer for some time and upon downloading have
found
many emails from several senders. I wish to receive future emails from
these
senders so cannot block them. How then do I delete 100's of emails from a
sender easily?

Thankyou in advance for any assistance you can provide.

This is not a chat room. Don't post more than once.