Note about System Administrator. Mail Server, DNS, Web Server and other tool related with Server Administrations.
SysAdmin
Install Amavisd and ClamAV on Alma Linux 8 / Centos 8 / RHEL 8
This is preface. Amavis (A Mail Virus Scanner) is a high-performance interface between a message transfer agent (MTA) such as Postfix and content filters....
Amavis Blocking Email with encrypted zip
Hi Dude, today I will write a story about handling spam emails that have an encrypted zip file attachment. This article...
Amavisd Bad Header Whitelist from Specific Mail Address
Hi Dude, sometimes we don’t aware that legitimate emails that we should receive in our inbox are rejected or quarantined in...
Setup SpamAssassin Block Email Spam Alma Linux 8 / Centos 8
Hi Dude. Today, i will write about anti spam with spamassassin in Alma Linux 8.SpamAssassin is a free, open-source, flexible and...
Alma Linux 8 – Postfix SMTP Server
Today, i will write about postfix smtp server in Alma linux 8. Alma linux is the successor of the discontinued centos....
Cpanel Fix 550-Please turn on SMTP Authentication in your mail client.
Hi Dude, today i am get error message when sending mail to cpanel. There is error smtp fix 550 with detail...
Easy Way to Check Ubuntu Version
Hi Dude. This article will show Ubuntu version using the command line. Why we need to know ubuntu version. One of...
How to Setting IP Static Ubuntu 18 or 20.04
Today, today i will do configuration static ip address on ubuntu server 18.04 or 20.04 uing netplan. Since Ubuntu 17.10 and...
Easy Creating CSR and install SSL certificate Windows Server 2016
Hi dude. Today I will install SSL certificate Windows server 2016. SSL provided by comodo SSL. We can buy SSL via...
Install Let’s Encrypt Nginx On Ubuntu 20.04 / 18.04
Hi Dude. Today, Let’s Encrypt is a free certificate authority that allows you to set up such protection. In the previous...
Install Nginx PHP-FPM on Ubuntu 18.04 LTS
This tutorial will describe easy install Nginx with PHP-FPM/FastCGI on Ubuntu 18.04 (Bionic) LTS system. We are using PHP 7.4 and...