In this tutorial we’ll install the Debian Linux 9 (squeeze), Apache 2 with mpm-itk (to run each web as a isolated user),...
How to generate Courier mail graphs with Couriergraph and rrdtoolÁstþór IP
Couriergraph is a very simple mail statistics RRDtool frontend for Postfix that produces daily, weekly, monthly and yearly graphs of Courier’s POP3, IMAP, POP3s and IMAPs logins.
Assuming you already have Courier and Apache installed, just install these packages:
apt-get install rrdtool couriergraph
Navigate to this location to view the graphs: