Clik here to view.
Upgrading Zimbra Mail Server 6.x.x into Zimbra Mail Server 7.x.x
Zimbra has released Zimbra 7 for about a month and it seems quite stable for production use. As major upgrade to Zimbra 6, Zimbra 7 comes with tons of bug fixes and new features including security...
View ArticleClik here to view.
Installing RapidSSL Certificate on Zimbra Mail Server
By default, Zimbra create and installing Self-Signed Certificate on installation process for https transport protocol. Self-signed certificate used for Apache jetty web server (both Zimbra webmail and...
View ArticleClik here to view.
SUSE Linux Enterprise Server 11 SP1 Minimal Server Appliance
I’m currently working as an IT system integrator on a small company based on Bekasi, a small town near Jakarta Indonesia. The company founded by me and my young brother and covering on various jobs...
View ArticleZimbra Mail Server Tips : Bulk Reset Account Password
Sometimes we may want to reset the user password for a while, such as setting up a new system or migration from the old mail server and want to clean up old password. Below are a simple script to...
View ArticleClik here to view.
openSUSE/SLES Tips : Imapsync installation for Email Backup & Synchronization
Imapsync is a tool for facilitating incremental recursive IMAP transfers from one mailbox to another. It is useful for mailbox migration or backup, and reduces the amount of data transferred by only...
View ArticleClik here to view.
Installing Zimbra Mail Server on SLES 11 SP1 64 bit in less than 30...
The following article will explain about the quick and easy tutorial : how to installing Zimbra Mail Server on SUSE Linux Enterprise Server 11 SP1 64 bit. I will use the Minimal Server Appliance in...
View ArticleClik here to view.
Installing Zimbra Mail Server on SLES 11 SP1 64 bit in less than 30...
Previous tutorial : “Installing Zimbra Mail Server on SLES 11 SP1 64 bit in less than 30 Minutes-Part 1″ Note : I’m using YaST for openSUSE screenshot because I already have it. However, there should...
View ArticleClik here to view.
Installing Zimbra Mail Server on SLES 11 SP1 64 bit in less than 30...
Previous tutorial : “Installing Zimbra Mail Server on SLES 11 SP1 64 bit in less than 30 Minutes-Part 2″ V. INSTALLING ZIMBRA Estimated Time : 10 minutes Minimal server appliance has all required...
View ArticleClik here to view.
Tips : Export-Import Zimbra Account Data Into LDAP Data
About 2-3 month ago, Excellent team was invited by a government institution in Bogor, Indonesia, to setup Zimbra Mail Server and upgrade an existing Zimbra mail server to use external LDAP...
View ArticleClik here to view.
Tips : Improving Zimbra Mail Server Security with Fail2Ban
Zimbra mail server has it’s own anti spam based on SpamAssasin and anti virus addon based on ClamAV to block incoming and outgoing malicious. The default addon has a pretty good performance when...
View ArticleZimbra Mail Server Tips : Bulk Reset Account Password
Sometimes we may want to reset the user password for a while, such as setting up a new system or migration from the old mail server and want to clean up old password. Below are a simple script to...
View ArticleClik here to view.
Zimbra Tips : PolicyD & Rate-Limit Sending Message Implementation on Zimbra 8
From PolicyD website : Policyd v2 (codenamed “cluebringer”) is a multi-platform policy server for popular MTAs. This policy daemon is designed mostly for large scale mail hosting environments. The main...
View ArticleClik here to view.
Zimbra Tips : How To Secure PolicyD Web Admin
On previous article : PolicyD and Rate Limit Sending Message Implementation on Zimbra 8, we’ve installing and configuring PolicyD to prevent spam message to go to outside network (or to came into...
View ArticleClik here to view.
Zimbra Tips : Rate-Limit Sending Message with PolicyD
Previous Article : Zimbra Tips : Installing & Configuring PolicyD on Zimbra 8 Zimbra Tips : Securing PolicyD Web Admin After installing, configuring and securing PolicyD, we can apply some policy...
View ArticleClik here to view.
How to Build an Anti Spam Appliance Using Untangle-Part 1
This article is intended as a glowing article. Its contents are part of the training material on my startup company, PT. Excellent Infotama Kreasindo for the subject “Security Hardening &...
View ArticleClik here to view.
Zimbra Tips : Enabling Accounting Module on PolicyD
One of the modules provided by PolicyD is Accounting module. Accounting module has similar function as the Quota module that performs the Message Count Limit Counter or Message Cumulative Size in...
View ArticleClik here to view.
Zimbra Tips : Script to Check Mailbox Usage for Each User
Yesterday, a friend of mine asked me how to take all data usage for each Zimbra user for information and reporting purpose. Actually, all information about how many mailboxes usages for each user...
View ArticleClik here to view.
Zimbra Tips : Delivery Restriction to Specific User/Distribution List With...
Related tutorial : Zimbra Tips : Policyd & Rate-Limit Sending Message Implementation On Zimbra 8 Zimbra Tips : Securing PolicyD Web Admin Zimbra Tips : Rate-Limit Sending Message With PolicyD...
View ArticleClik here to view.
Zimbra Collaboration Suite Urgent Patch Releases (Exploit-DB)
Last week, Zimbra issued patch releases for Zimbra Collaboration 8.x and 7.x, resolving two critical security vulnerabilities. It’s strongly recommend that any customer running the following versions...
View ArticleClik here to view.
Zimbra Improvement : Restricted Sender/Sender Must Login on Zimbra 8
As a powerful mail server, Zimbra has some system security features applied by default. We can also applying some additional security policy to increase mail server protection, such as applying PolicyD...
View Article