Description

Agent-based plugin for monitoring Zimbra Multiserver environments.

Installation

Copy the following agent plugin files to each Zimbra node:

  • zimbra
  • zimbra.d/

Destination:

/usr/lib/check_mk_agent/plugins/

Features

The agent automatically detects the node role (cached):

  • LDAP Master
  • LDAP Replica
  • Mailstore
  • MTA
  • Proxy
  • Logger

The Checkmk plugin automatically discovers the appropriate services for each role and monitors the required processes and listening ports.

Additional checks

MTA

  • Mail queue monitoring
  • Configurable warning and critical thresholds through Setup → Service monitoring rules → Zimbra MTA queue thresholds
  • Public IP RBL checks (cached)
  • Custom RBL lists configurable through Setup → Service monitoring rules → Zimbra MTA RBL Check
  • Three common RBLs are configured by default

Mailstore

  • Mailbox count monitoring
  • Mailbox count is cached for 24 hours

Supported Checkmk version

Developed and tested with Checkmk 2.5.0p4.

Currently tested on Zimbra Network Edition (NE) 10.x Multiserver installations.

Version 1.0.0
Latest version

Uploaded on: 9 Jul 2026

Downloads: 0

Built on Checkmk version: cmk-mkp-tool 3.0.0

Minimum Checkmk version required: 2.5.0p4

MKP MD5 hash: b90171fb348fa001ea30de5cba8f5241