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Ahmad Imanudin

Ahmad Imanudin

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Tag: zimbra

December 13, 2018 Zimbra

How To Block Email Spoofing by Display Name

If you ever getting email spoofing that using email on display name like below Please try below tips. I am

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November 5, 2018 Zimbra

Zimbra Tips : How To Add Subject Information on Message Trace

The tracing tools on Zimbra only display Message-ID, sender, and recipient. Many of our client or even me 🙂 need

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June 13, 2018 Zimbra

Zimbra Tips : How To Restrict SASL Login/Access

Zimbra have functions to enable access to IMAP/POP on all users. Admin can perform check/uncheck to enable/disable that function on

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June 4, 2018 Zimbra

Solved : Proxy Not Running After Upgrade Into Zimbra 8.8.8

Yesterday, one of my Team do upgrading Zimbra from 8.7.0 to 8.8.8. Zimbra server using Ubuntu 14.04 and Zimbra NE.

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October 18, 2017 ZeXtras / Zimbra

How To Migrate Buddy List From ZeXtras Chat into Zimbra Chat

Few days ago, i am perform upgrading Zimbra NE from 8.6 into 8.8.3 on my client. When upgrading into Zimbra

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September 18, 2017 Zimbra

Solved : Cannot Access Webmail Zimbra 8.8 from IP Address

Few days ago, i am migrating Zimbra 8.6 running on SLES into Zimbra 8.8 running on CentOS 7 at my

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March 29, 2017 Zimbra

Zimbra Tips : How To Disable Disclaimer When Reply and Forward Email

When you configure disclaimer on Zimbra, disclaimer will display on every email that you sent, reply or forward. Yes, you can

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March 28, 2017 Zimbra

Zimbra Tips : How To Display Zimbra Account More Than 5000 Users

By default, Zimbra have limitation to display account on Zimbra Admin up to 5000 users. I have some clients who have

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March 23, 2017 Zimbra

Zimbra Tips : How To Enforce SPF Checking For Incoming Email

Before configure this guidance, please make sure you’ve configured SPF checking from this link : https://imanudin.net/2016/03/11/zimbra-tips-how-to-enable-spf-checking-for-incoming-connection/. When you’ve done, by default

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March 20, 2017 Zimbra

Zimbra Tips : How To Enable PTR/Reverse DNS Lookup for Incoming Email

Most of spam email sent from public IP who did not have PTR/Reverse DNS. What is PTR/Reverse DNS, you can

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March 19, 2017 Zimbra

Zimbra Tips : How To Enable DKIM/DomainKeys Checking/Verify for Incoming Email

From previous article, you can configure and validate DKIM records on Zimbra which is used to increase email reputation. The configuration will increase

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February 23, 2017 Zimbra

Script Automatic Restart Services when Zimbra Stopped/Not Running

If you have Zimbra and running on VMware, you can configure automatic restart when one or some services not running/stopped

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February 14, 2017 Zimbra

Zimbra Tips : How To Insert Picture on Disclaimer

If you have disclaimer on your Zimbra and want to insert picture (like company logo), i hope this guidance can

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February 13, 2017 Linux / Zimbra

Solved : Timed out while sending message body on Email Server

If you get message “timed out while sending message body” on queue, please try to decrease MTU value on network

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