Introduction CyberPanel, powered by LiteSpeed technologies, offers an advanced hosting platform that enhances web server performance and security. This guide provides a detailed walkthrough on installing CyberPanel on Ubuntu, highlighting its benefits and ensuring compatibility with your Ubuntu system for an optimized hosting environment. Prerequisites: List of VPS Hosting Providers Offering Open Port 25 Step … Read more
How to Install PowerMTA on Ubuntu: A Step-by-Step Guide Learn how to install PowerMTA on Ubuntu with this comprehensive guide, including prerequisites, configuration, and troubleshooting tips to enhance your email delivery system. Introduction PowerMTA, a leading mail transfer agent, is renowned for its robust performance in email delivery systems. When installed on Ubuntu, a popular … Read more
PowerMTA, or Power Mail Transfer Agent, is a robust and flexible email delivery solution widely used by businesses for sending high volumes of emails efficiently. Installing PowerMTA on CentOS 7 provides a stable platform for managing email campaigns effectively. In this guide, we’ll walk through the step-by-step process of installing PowerMTA on CentOS 7. Prerequisites: … Read more
VestaCP – Fix Webmail Roundcube File Not Found Errorcd /etc/roundcubemail edit config.inc.phpnano config.inc.php //$config[‘skin’] = ‘larry’; remove or commant this$config[‘skin’] = ‘elastic’; add this —smtp error 451 vestacp– wget https://git.io/JJjHP -O exim-4.93-3.el7.x86_64.rpmrpm -Uvh –oldpackage exim-4.93-3.el7.x86_64.rpm smtp error 550 1) Open your file: config.inc.phpPath:CODE: SELECT ALL /etc/roundcubemail/config.inc.php2) Add a line:CODE: SELECT ALL $config[‘smtp_helo_host’] = ‘localhost’;3) Save/Exit … Read more
Step 1: Open file /opt/zimbra/conf/zmconfigd/smtpd_sender_restrictions.cf and add the below line at the top. check_sender_access lmdb:/opt/zimbra/postfix/conf/restricted_senders Step 2: Open file /opt/zimbra/conf/zmconfigd.cf and add below lines before “RESTART mta”. POSTCONF smtpd_restriction_classes local_only POSTCONF local_only FILE postfix_check_recipient_access.cf Note: We can find like below SECTION mta DEPENDS amavis ———– ———– ———– RESTART mta Step 3: Create a file /opt/zimbra/conf/postfix_check_recipient_access.cf and add the following line. check_recipient_access lmdb:/opt/zimbra/common/conf/local_domains, … Read more
DomainKeys Identified Mail (DKIM) lets an organization take responsibility for a message that is in transit. The organization is a handler of the message, either as its originator or as an intermediary. Their reputation is the basis for evaluating whether to trust the message for further handling, such as delivery. Technically DKIM provides a method … Read more
Mail Server is one of the important and critical Server for any organization as most of business communication done via emails only. which provides services such as LDAP, SMTP, POP and IMAP, webmail client, calendaring, tasks, antivirus, antispam and others. In this i am going to you how to install Install Open Source Zimbra Mail … Read more
Mailu is a simple but powerful mail server running on docker containers. It is a free software open to suggestions and contributions. It is meant to provide an easy email server set up. Mailu images should run on any cloud server running Docker (>= 1.11) and you can choose between Docker compose, Kubernetes and Rancher … Read more
Mail-in-a-Box is an open source software package that can easily convert your Ubuntu server into a full-stack email solution for multiple domains. To protect the server, Mail-in-a-Box uses Fail2ban and SSL certificate (self-signed by default). It will automatically configure the UFW firewall and open all necessary ports. Its anti-spam and other security features include greylisting, … Read more
In our previous tutorial, we saw How to install iRedMail Server on Ubuntu. In This lecture we discuss about how to install Let’s Encrypt SSL on iRedMail. We will use a free Let’s Encrypt SSL certificate to secure our iRedMail services. Install certbot tool that will be used to obtain a Let’s Encrypt SSL certificate. … Read more