Migrating from IncrediMail to Outlook
(: September 25, 2019) IncrediMail has its drawbacks, and they outweigh the benefits for many. Of course, you may play with emoticons, fonts, and animations....
Install and Configure Postfix as a Send-Only SMTP Server on Debian 10 (Buster)
(: September 17, 2019) In this guide we’ll look at how you can configure Postfix MTA as a send-only SMTP server on Debian 10 (Buster),...
Should You Be Using A Desktop Email Client?
(: August 5, 2019) The answer to this question can not be fully explained if you do not understand the services an email client offers....
Best Open Source Collaboration & Groupware Software Solutions
(: June 3, 2019) Introduction Companies, groups and any persons involved in a given project or task need a way of communicating and getting reports...
How To Install Kolab 16 on Ubuntu 18.04 With Let’s Encrypt SSL
(: May 18, 2019) Introduction This guide shows how to install Kolab on Ubuntu 18.04 Bionic Beaver and thereafter securing it via Letsencrypt Certificate Kolab...
How to Monitor Zimbra Server with Grafana, Influxdb and Telegraf
(: April 2, 2019) How do I monitor Zimbra server with Grafana and InfluxDB?. This monitoring has bee done on an all in one Zimbra...
How to Restore Zimbra LDAP database from Backup
(: February 20, 2019) In today’s guide, we will look at how to restore Zimbra LDAP database from Backup. This is one of the useful...
How to Install Zimbra Desktop on Ubuntu 18.04 Bionic Beaver
(: April 7, 2019) Zimbra Desktop is a powerful Desktop email client which lets you sync and store your emails, contacts, files, documents, calendar between...
Install and Configure Postal Mail Server on Ubuntu 18.04 LTS
(: December 23, 2018) Having a fully featured email solution is a basic requirement of any business, institution or company. Here we will discuss the...
How to Install Mailtrain Newsletter Application on Ubuntu 18.04 LTS
(: December 23, 2018) In this tutorial, I’ll show you how to Install Mailtrain Newsletter Application on Ubuntu 18.04 LTS. Mailtrain is an open source, self-hosted newsletter...
How to Install Zimbra Collaboration on Ubuntu 18.04 LTS
(: April 2, 2019) In this blog post, I’ll take you through the installation of the latest Zimbra Collaboration 8.8.x Community Edition release on an...
Best Desktop Email Clients For Linux
(: April 11, 2018) This tutorial aims at introducing Top Modern Desktop Email Clients For Linux and macOS. I know there are lots of email clients...
Zimbra Multi-Server Installation on CentOS 7
This guide is to help you perform a Zimbra Multi-Server Installation on CentOS 7. Zimbra has been rated as the best open-source Mail collaboration suite. It...
How To Install Zextras Suite on Zimbra CentOS 7
(: September 28, 2019) Recently I was tasked with the migration of domains, user accounts and all mailboxes from Zimbra 8.6 running on Ubuntu 16.04...
How to solve Zimbra zmconfigd not running/starting
(: February 20, 2019) Have you tried starting zmconfigd on your Zimbra server but can’t get it running?. This guide will show you the most common...
Managing Distribution Lists on Zimbra Mail Server
(: February 20, 2019) Welcome to our guide on Managing Distribution Lists on Zimbra Mail Server. Zimbra is among the most used Email collaboration systems....
How to Set Secure Password Policy on Zimbra
(: March 15, 2018) In this guide, we’ll look at all the modification you need to Set Password Policy on Zimbra server. By default, Zimbra doesn’t...
How to get Postfix Mail Statistics from Logs
(: March 18, 2018) This guide is intended to show you How to get Postfix Mail Statistics from Logs on your mail server. I assume you...
Zimbra Firewall Configuration with ufw for Ubuntu and firewalld for CentOS
(: February 20, 2019) In this guide, we’re going to look at how to secure your Zimbra collaborative suite on CentOS 7.x and Ubuntu server...
Fix ERROR: zclient.IO_ERROR (invoke Connection refused, server: localhost) (cause: java.net.ConnectException Connection refused on Zimbra
(: April 16, 2018) Ever encountered this error “[] INFO: I/O exception (java.net.ConnectException) caught when processing request: Connection refused [] INFO: Retrying request ERROR: zclient.IO_ERROR...