Open up the @chess.com email window. Click on the message you've received, then on the top bar drop down where it says 'Message' - then on 'Block Sender'
@chess.com email HELP
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Jun 12, 2010
0
#3
Argh! I wrote this ages ago (before kohai) answered. But I forgot to hit the post button. It's a moot issue now, but I hate the fact that I wrote a response but never posted it. So... here it is, even though it doesn't matter now.
Well, I don't use chess.com email. So I haven't had to deal with this issue. I did look at HELPS section at the email window, but I didn't see anything in the index that addressed the issue. I did find out to block images from e-mails, but didn't see how to block a particular address. Sorry. 
Jun 12, 2010
0
#4
Dirkus wrote:
Argh! I wrote this ages ago (before kohai) answered. But I forgot to hit the post button. It's a moot issue now, but I hate the fact that I wrote a response but never posted it. So... here it is, even though it doesn't matter now.
Well, I don't use chess.com email. So I haven't had to deal with this issue. I did look at HELPS section at the email window, but I didn't see anything in the index that addressed the issue. I did find out to block images from e-mails, but didn't see how to block a particular address. Sorry.
And England draw U.S
I have an @chess.com email and would love to block an email address. How do I do that?