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 Postfix mail graphs with Mailgraph and rrdtoolÁstþór IP
Mailgraph is a very simple mail statistics RRDtool frontend for Postfix and Sendmail that produces daily, weekly, monthly and yearly graphs of received/sent and bounced/rejected mail.
Assuming you already have Postfix and Apache installed, just install these packages:
apt-get install rrdtool mailgraph
Navigate to this location to view the graphs: