Block a specific email address in postfix:(debian)



Block a specific email address in postfix: (incoming) 


Sometimes we need to block a specific  email address in postfix. Here is how to do that.


Step 1. Add the following line in main.cf

# vim /etc/postfix/main.cf

smtpd_sender_restrictions = reject_unknown_sender_domain,check_sender_access  hash:/etc/postfix/access


Step 2. Now add the address you want to block in access file like following.

noreply@test.com          REJECT


Step 3. After adding the address postmap the access file.

# postmap /etc/postfix/access



Now your MX will not receive any mail from the address "noreply@test.com"

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