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Ahmad Imanudin

Ahmad Imanudin

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January 28, 2021 Zimbra

Install and Configure SSDB for Zimbra Large Deployments

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

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January 26, 2021 Zimbra

Zimbra Tips : How to Move/Migrate CBPolicyD Database

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

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January 21, 2021 Zimbra

Zimbra Tips : How to Get All User Quota

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

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January 7, 2021 Zimbra

How to Create Admin Delegation in Zimbra OSE

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

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December 1, 2020 ZeXtras / Zimbra

The new Zextras Theme for Zimbra web interface

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

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November 25, 2020 Zimbra

Modern Web Client Alternative for Zimbra Open Source Edition

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

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October 17, 2020 Zimbra

Zimbra Tips : How to Add External Email Warning Message

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

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October 1, 2020 Linux / Zimbra

How to Block Access Based on GeoIP on CentOS 6

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

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August 27, 2020 Zimbra

How To Block Macros on Zimbra

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

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July 19, 2020 ZeXtras / Zimbra

How to Install Zimbra 9 Open Source Edition by ZeXtras on CentOS 8

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

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July 6, 2020 Linux / Zimbra

How to Block Access Based on GeoIP on CentOS 7

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

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July 5, 2020 Zimbra

How to Install and Configure Fail2Ban for Zimbra

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

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July 3, 2020 Zimbra

Solved: Zimbra 9 and Zimbra 8.8.15 Problems after Patching

Today, I receive email from Zimbra about new patch 4 for Zimbra 9 and patch 11 for Zimbra 8.8.15. Then,

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June 28, 2020 Linux

How to Block Access Based on GeoIP on Ubuntu

I usually use this method to block access to my Zimbra server from international IP/outside. Only IP based on my

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