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Ahmad Imanudin

Ahmad Imanudin

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Tag: block

March 27, 2025 Linux

Blocking Access Based on GeoIP on RHEL 8, Rocky 8, Oracle Linux 8, and CentOS 8

In this guide, I am using Rocky Linux 8 with kernel 4.18 and xtables-addons 3.27. As an example, this applies

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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 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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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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May 23, 2019 Zimbra

Zimbra Tips : How To Block Email From and Return-Path did not Match

Recently, my client got spam e-mail originating from their domain. Although, I have improved by implementing the sasl / sender

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Recent Comments

  • Luis Navas on Zimbra Tips : How To Configure Rate Limit Sending Message on PolicyD
  • Imanudin Ahmad on Relay Tips Based on User/Domain Receiver on Zimbra 8.5-8.6
  • Imanudin Ahmad on Zimbra Tips : How To Configure Rate Limit Sending Message on PolicyD
  • Rajaji on Relay Tips Based on User/Domain Receiver on Zimbra 8.5-8.6
  • Luis Navas on Zimbra Tips : How To Configure Rate Limit Sending Message on PolicyD

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