Digital Marketing

How To Block user to send email locally or externally In zimbra

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Step 1: This complete Block user guide walks you through everything step by step. 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 … Read more

How To Configure and Validate DKIM Records on Zimbra to Sign Outgoing Emails

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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

How to Install Zimbra 9 on Ubuntu

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Zimbra Mail Server on ubuntu

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

How To Install And Configure Mail-in-a-Box Mail Server On Ubuntu

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Install Mail-in-a-box mail server

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. This complete Mail Server guide walks you through everything step by step. 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 … Read more

How To Install Let’s Encrypt SSL Certificate on iRedMail

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install ssl on iredmail

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. How to Install iRedMail Server On Ubuntu Install certbot tool that will be used … Read more

How to Install iRedMail Server On Ubuntu

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Install iRedMail Server

iredmail is based on open source postfix, dovecot, openldap, roundcube and other software, plus installation packages, configuration files, and management tools (all open source) developed by the author. It can quickly build a protocol that supports SMTP, POP3, IMAP , and provides WebMail and Web Management interface mail system. To learn more about iredmail you … Read more

How to Install Mailcow Mail Server On Ubuntu

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MailCow Mail Server Setup

Mailcow Mail Server Is Very Simple To Install On Vps. Also Mailcow Provides A Modern Web User Interface For User And Server Administration. MailCow Is Open Source Project That Means You Can Install On Unlitilmted Vps Without Any Cost. To learn more about MailCow you can read their official documentation. This guide shows you how to … Read more

How to Install Zimbra Mail Server on CentOS 7

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Zimbra Mail Server Setup

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

Different Types of Email Bounces

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Email Bounces Types

When doing email marketing, some status codes will be returned in the log to inform whether the email is sent successfully, similar to the status code in the header when visiting a website , 404 means the page does not exist, etc. The status code 2.0.0 of the sent mail indicates successful delivery, and the … Read more