Simply deleting this person's messages won't do the trick. You will have to bounce them to make your point. Mail allows you to bounce unwanted messages....
something like...
if sender = (address to block)
delete message
...
The OP said nothing about wanting to "make a point", just that they wanted to not receive email from this sender.Simply deleting this person's messages won't do the trick. You will have to bounce them to make your point. Mail allows you to bounce unwanted messages.
If the annoying emailer won't take a hint, then presumeably the OP wants something more effective than a hint.... just a certain person that won't take a hint. ...