iman – Ahmad Imanudin

Zimbra Tips: Problem Receiving from Email Client

A few days ago, our clients asked us why they can’t receive or download emails from email clients. Mostly when

Linux is an increasingly popular OS with many turning to Linux for three reasons: because it’s free, stable, and more

My company where I work has several clients with Zimbra large deployments. From 10k users until 500k users. Overall Zimbra

To migrate CBPolicyD database from old server to new server, I usually use two methods. The first method is rsync

This script originating from Zimbra Wiki: Getting_All_Users_Quota_Data. I just create a little modification to the script to suit my environment.

In this article, I will show you how to create another admin in Zimbra OSE with restricted access. New admins

In the previous article, I have published screenshots of Modern Web Client Alternative for Zimbra Open Source Edition. The theme

Hello Everyone. There is good news for all of us who use the Zimbra Open Source Edition. Especially Zimbra 9

I received a question from my client about how to add an external email warning message in Zimbra when receiving

If you are using CentOS 7, you can find similar guidance here: How to Block Access Based on GeoIP on

Below is step by step how to block macros in Microsoft Office Documents that sent as attachments in Zimbra su

In the previous article, I am using Zimbra Open Source Edition created by Beezim. In this article, I am using

If you are using Ubuntu, you can find similar guidance here: How to Block Access Based on GeoIP on Ubuntu.

This article was inspired by an article by L. Mark Stone at this link: Zimbra-fail2ban-for-submission-only. I tried the guide and