Category: Kev’s Blog

Add the following line to you sendmail.mc file use SpamCop’s email blacklist filter on your sendmail email server:


FEATURE(`dnsbl', `bl.spamcop.net', `"Spam blocked see: http://spamcop.net/bl.shtml?"$&{client_addr}')dnl


Regenerate your sendmail config with:

m4 sendmail.mc > sendmail.cf

then restart your sendmail server with

. /etc/init.d/sendmail restart


To block individual domains:

• Edit /etc/mail/access

  <code>
  ...
  exmapledomain1.com    REJECT
  exampledomain2.com    REJECT
  ...
  

• Convert access to access.db

  <code>
  makemap hash /etc/mail/access.db < /etc/mail/access
  </code>

• Restart sendmail

  <code>
  # /etc/init.d/sendmail restart
  </code>