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My Personal Experience Using DigitalOcean, Vultr and Linode
After Moving my server Infrastructure from Self Co-Location Server to VPS Provider, I tested several providers. The first one is DigitalOcean and pick their “middle specs” droplet with 4 GB Memory, 2...
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Zimbra : No space left on device & Inode Usage
Yesterday, I got a phone call from my customer regarding their Zimbra Mail Server. I’ve helped them setting up and configuring Zimbra, 2-3 years ago. Their Zimbra mail server not working properly since...
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Design Examples for Large Scale Zimbra Deployments
Zimbra Collaboration Suite is an open source email and collaboration platform that includes email, contacts, calendar, documents and more. It is a Web-based application suite that can be deployed as an...
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Bash Script for Spam Queue Removal on Zimbra Mail Server (Updated)
I have a small script-got it from Internet-for Zimbra spam queue removal based on Postfix queue message removal. The script written on Perl language and become a mandatory script on each Zimbra server...
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Script to Delete the Spam Queue on Zimbra with Confirmation
On previous script, we can delete spam from queue by passing sender or recipient address on the script : pfdel email-spammer But what about situation where spammer filling up queue with random sender...
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Fail2Ban, Zimbra’s DoSFilter and Failed Login Lockout Policy
On each Zimbra deployment strategy, I’ve never activate Failed Login Lockout Policy as it tend to block legitimate user from being logged in due to brute force attack from others. The legitimate users...
View ArticleScript to Remove Over Quota Message from Zimbra Queue
Sometimes we have a bunch of over quota message filling up Zimbra queue, with detail as below : 197CF170F9 59761 Wed Oct 24 09:49:48 email-palsu@vivianchow.id (host...
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Zimbra MariaDB Error : Can’t init tc log
A few days ago, our clients had problems with their on-premise mail server deployment. Their Zimbra services are down and mailbox service could not restart. After a quick check, it turns out that one...
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Upgrading Zimbra 8.8.12 into 8.8.15 LTS
Zimbra 8.8.15 has been released last week. According to Zimbra product lifecycle, this release will be an LTS (Long Term Support) release and will have general support until 2022 and tehnical guidance...
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Haraka and LDAP Authentication with Zimbra
A friend of mine, Raihan-worked as part of my engineer team @ Excellent-learn Haraka since December as an alternative for simple SMTP engine for our tailor-made SMTP Relay. We would like to build a...
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