Introduction

tumgreyspf is an external policy checker for the postfix mail server. It can optionally greylist and/or use spfquery to check SPF records to determine if email should be accepted by your server.

tumgreyspf is:

• fast, because it uses file-system as it's database

• simple, it is written in Python and doesn't run as a daemon, all needed to run it is a line in crontab

• currently well maintaned, latest release (Version 1.33) dates Jul 20, 2008

Visit tumgreyspf homepage to find out more.

Installation

Just use your favorite package manager and install tumgreyspf. For example:

sudo apt-get install tumgreyspf

After what you need to tell Postfix to use it. Just run:

/usr/lib/tumgreyspf/tumgreyspf-install

tumgreyspf-install script will automatically add most necessary rules in main.cf and master.cf

Modify /etc/postfix/master.cf and change the line

• user=nobody argv=/usr/lib/tumgreyspf/tumgreyspf

to

• user=tumgreyspf argv=/usr/bin/tumgreyspf

Restart postfix

/etc/init.d/postfix restart

Configuration

Edit /etc/tumgreyspf/tumgreyspf.conf

That's all!