postfix reject email address

vim /etc/postfix/sender_access
[email protected] REJECT

postmap hash:/etc/postfix/sender_access

smtpd_relay_restrictions = …

check_sender_access hash:/etc/postfix/sender_access

/etc/init.d/postfix restart

Delivery Status Notification (Failure)
Inbox

Mail Delivery Subsystem <[email protected]>
8:16 PM (6 minutes ago)

to me
Message blocked

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