This article describes how you can monitor your Postfix mailserver with the tools Mailgraph and pflogsumm. Mailgraph creates daily, weekly, monthly, and yearly graphs of sent, received, bounced, and rejected emails and also of spam and viruses, if SpamAssassin and ClamAV are integrated into Postfix (e.g. using amavisd-new).Read more »
This tutorial will show you how to set up your log statistics to be mailed to you every night so you know what is happening with your Postfix Mail Server.
Set up a cron job so that it will run at 11:55 PM, just before midnight as you want to get all of the logs for that day. Be sure to give enough time for the script to run before the next dayRead more »