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08
Aug

PHP Script for Sending Email via SMTP

At the beginning of the year, there were several significant changes in email sending practices. Most email providers like Seznam, Gmail, Yahoo, and many others have tightened their anti-spam policies, making it quite complex to deliver bulk and regular emails. Even emails sent via the PHP mail() function are affected by these restrictions. The following code will…
08
Aug

Comparison of KVM Virtualization and OpenVZ

MyDreams Hosting offers highly performant VPS servers using full hardware virtualization with KVM, as well as cost-effective VPS servers using container-based virtualization with OpenVZ. This brief article provides an overview of both technologies. When to Use KVM Virtualization: KVM virtualization is designed for demanding customers who need complete control over their virtual environment. The virtualized operating system…
08
Aug

How to Disable the Portmapper Service on a VPS

When setting up a VPS server, clients have a few responsibilities to ensure the server's security. One of these tasks is to review all services and disable those that are unnecessary or potentially dangerous. Portmapper is one such service. Below is a list of commands to secure your server by disabling the portmapper service. CentOS 6: chkconfig…
08
Aug

How to Speed Up PrestaShop Loading Times

This year's Christmas season was really tough for e-shops. It was anticipated that clients would buy less and for much smaller amounts. While last year, the average order value was around 2500 CZK, this year it is only about 500 CZK. It's not surprising given the extreme economic uncertainty. We manage many client e-shops both technically and…
08
Aug

New Backup System

Clients are growing rapidly, and our backup server has slowly reached its capacity. At the beginning of October, we implemented a new type of hybrid backup from Sun Microsystems. This expansion has increased the capacity of our external backup server by ten times, allowing us to offer backups from 60 to 90 days back. Until now, we…