pflogsumm - Mail Statistics for Postfix
If you administer even a small mail server, you are surely aware that you cannot monitor logs in real-time. It is difficult to catch, for instance, a problem in communication with a certain domain. It is also hard to estimate the scale of traffic on the server in terms of both the number and volume of emails. It’s challenging to choose the domains for which it would be worthwhile to disable greylisting, etc… ...