30May/20

Email Delivery Issue: The account or domain may not exist, they may be blacklisted, or missing the proper DNS entries

May 30, 2020Uncategorizednixadmin

Nixtree Team comes across a wide range of issues to offer appropriate solutions to our clients. There was one interesting one. Our client faced the following error, while sending mail to another domain. This message wasRead More…

26May/20

How to repair MySQL databases and tables on LINUX servers

May 26, 2020MysqlAaron N

In this blog, we would like to give you some useful insights on how to repair MySQL database and table. This is probably one of the most common, yet cumbersome aspects you may have to dealRead More…

22May/20

How to change default PHP version in plesk

May 22, 2020PleskPHP, PleskSuhesh K.S.

In this article, we will see how we can change the default PHP version in plesk. The latest plesk versions come with all the php versions installed (we have the option to install all the phpRead More…

MariaDB Upgrade breaks the cpanel mysql interface

May 19, 2020cPaneldatabase, MariaDBMartin N

The mariadb upgrade breaks the cpanel mysql interface as a part of the cpanel update. Find the solutions for resolving the issue with your cPanel servers. Issue cPanel MySQL database interface breaks when MariaDB is upgraded from version MariaDBRead More…

How improper configuration of DNS Records affects Spam filtering

May 17, 2020DNSDNS, email, spamfiltering, spoofing, unsolicitedMartin N

Some of the DNS records are correlated to the mailing and it will affect the spam filtering activity too. In this article, I am discussing some of the DNS records correlated to spamfiltering. SPF, rDNS, DKIMRead More…

17May/20

Performance Tuning and increasing delivery speed in Postfix

May 17, 2020postfixmta, performance, postfix, speed, tuningnixadmin

Postfix is a free and open-source Mail Transfer Agent (MTA) which is rich in features and if configured properly can be used for sending mails faster than other MTAs. Postfix is mainly preferred by admins when itRead More…

15May/20

SMTP Error (535): Authentication failed in Roundcube Webmail

May 15, 2020Linux, Roundcube, Webmailnixadmin

If you are a Roundcube Webmail user, you might have faced this error and may have stuck when you have to send an urgent email. You need not worry, and if you are an admin youRead More…

16Mar/20

Migration of accounts from cPanel to directadmin

March 16, 2020UncategorizedcPanel, directadmin, migrationSuhesh K.S.

Now a days cPanel is the commonly used control panel in hosting industry. Recent price hike in the license price for the cPanel causing burden to the startup hosting companies and providers who are providing cheapRead More…

Plesk CLI tools – email account mailbox size updation

September 6, 2019PleskPlesk, plesk cli toolsSuhesh K.S.

Plesk cli tools are helpful for the system administrators to bulk updations in plesk servers using scripts and it will help to save lots of time. Here I am discussing the plesk cli tool for updatingRead More…

04Sep/19

How to disable portmapper services in centos 7

September 4, 2019CentosSumesh S Prabhu

Sometimes you will get a notice saying like ” your server can be used or is used for abusing using portmapper services” An open portmapper service that can be accessed from the Internet can be exploitedRead More…