You can block emails that have specific email address suffixes.
The quick way is to open the email detail screen when you receive an email that you want to block. View
Then open the Spam Analysis section. Then you can block the email domain suffix. All new emails with this domain suffix will be blocked by the spam rule.


You can also create a new rule and then add these domain suffixes as search fields. New rule
When you have created the new rule, you can add an action to move emails to the spam folder.
You could add the example fields below. Copy the text below and choose 'Paste search fields' in the action menu. (arrow with square button).

or (
From "Ends with" .asia
From "Ends with" .bar
From "Ends with" .best
From "Ends with" .bid
From "Ends with" .buzz
From "Ends with" .casa
From "Ends with" .club
From "Ends with" .co
From "Ends with" .cyou
From "Ends with" .digital
From "Ends with" .fun
From "Ends with" .guru
From "Ends with" .host
From "Ends with" .icu
From "Ends with" .info
From "Ends with" .live
From "Ends with" .monster
From "Ends with" .pro
From "Ends with" .pw
From "Ends with" .rest
From "Ends with" .shop
From "Ends with" .site
From "Ends with" .space
From "Ends with" .store
From "Ends with" .surf
From "Ends with" .today
From "Ends with" .top
From "Ends with" .uno
From "Ends with" .website
From "Ends with" .work
From "Ends with" .world
From "Ends with" .xyz
)