Postfix monitoring with Cacti, my way – part 2

By Lux, on August 19th, 2015 Linux, Postfix

In this second post, we’ll see how to collect event statistics from Postfix (deliveries, rejection, and similar) and publish them in snmp to our monitoring tools, specifically but not limited to Cacti.

There’s no magic here: Postfix logs details about it’s activity to syslog, and there is there we are going to search our events.
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Postfix monitoring with Cacti, my way – part 1

By Lux, on August 17th, 2015 Linux, Postfix

In the next few posts I’ll show how I collect data from Postfix, publish them into net-snmp, and graph them with Cacti.

I am interested in data about Postfix queues sizes possibly on multi-instance configurations, and about Postfix events.
I decided to use SNMP instead of launching scripts directly by Cacti for a number
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Postfix: mail loops back to myself

By Lux, on February 4th, 2015 Linux, Postfix

A quite common problem in postfix is when you find lines like this in your logs:
status=bounced (mail for domain.com loops back to myself)
Most of the time the problem is self-explanatory: domain.com’ MX record says mail should be delivered to the box itself, but postfix is not configured to be the destination
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New Postfix Admin package

By Lux, on June 23rd, 2012 Linux, Postfix
Postfix Admin

This is my latest Postfix Admin package, version 2.3.5. Personally I prefer the shell, but an interface like this is much more relaxing for provider operators (and for the admin too!).
This package includes three patches that implement some functionality that seem to be indispensable for some providers, to the point of changing a
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New Horde vacation and forwards packages

By Lux, on December 25th, 2010 Linux, Postfix
horde

New Horde vacation and forwards packages, with a driver working with standard Postfix Admin setups
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New Postfix Admin package

By Lux, on December 25th, 2010 Linux, Postfix
Postfix Admin

My latest Postfix Admin package with some patch for busy operators.
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