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INSTALLATION INSTRUCTIONS
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- Edit `mailwatch` file to match web server user (www-data, apache or other), MTA (Exim or Sendmail)
  and change executable path if needed.
  
- Copy edited `mailwatch` file in /etc/sudoers.d/

- Set permission to 0440 (`chmod 440 /etc/sudoers.d/mailwatch`)

This instruction should work in Debian 6 and 7, Ubuntu 12.04 and newer, RHEL 5 and 6 and CentOS 5 and 6.
