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 deployment, as a quick tools to remove spam message from queue caused by compromised account. As of Zimbra 8.7, there is a little…
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 Core Processor, 60 GB SSD Disk and 4 TB Transfer and installing Zimbra Mail Server on top of Ubuntu 14.04 64 bit or CentOS 6…
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 and Fail2Ban All the above security rule may be sufficient, but there are some additional security tips should be considered, especially in the case…
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 and Fail2Ban All the above security rule may be sufficient, but there are some additional security tips should be considered, especially in the case…
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 on Zimbra Mail Server, can be seen on the Zimbra Admin | Server Statistics | Mailbox Quota. You can see total quota…
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 & Improving Mail Server Performance”. Training utilize Untangle as its base system for anti spam appliance. ***** WHAT IS ANTI SPAM APPLIANCE ? Anti spam appliance is a system…
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 internal network). Zimbra based mail server without PolicyD can be blacklisted due to spam message sent by compromised account (account got hacked by attacker)….