Tech
Mail servers love Zimbra licensing. XMission makes it easy.

Email is the work horse of the Internet. It is tried and true. Inboxes rule our lives. Email is not going anywhere and, truthfully, it is only getting better. Recently we helped a customer out of a serious predicament with their mail server. They had installed the free, 60-day trial of Zimbra Network Edition and […]
Who Still Needs Colocation?

Cloud hosting has been getting a lot of press in recent years. It’d be easy to assume that everything is going to “the cloud.” With promises of lower CAPEX and higher elasticity, some business owners might feel obligated to move everything over. But is that the best choice for all organizations? Statistically, most companies still […]
Announcing secrets.xmission.com – A Self Destructing Encrypted Notes Service

Today, XMission launched https://secrets.xmission.com, our new free, publicly available service to fight off Big Brother, snooping individuals, hackers, and adversaries. Background Off and on for a few years, I had been toying with the idea that I wanted the general public to have access to 100% transparent encryption, repudiation, and deniable plausibility. I am a […]
Building a Stratum 1 NTP Server with a Raspberry Pi

Introduction I wanted to build my own NTP stratum 1 time server. An NTP server is a server that connects to the Internet to serve time to clients who can use that time to adjust the clock on their computer. NTP uses stratum levels to determine the distance from the source clock. A stratum 0 […]
Zimbra calendar problem? Try this easy fix for shared CalDAV calendars.

In today’s Zimbra Power Tip we show how to fix a very specific calendaring issue where some calendar applications cannot write to, view, or create events on a shared CalDAV calendar. This is specific to CalDAV configured Android devices, iPhones and iPads, or even iCal on your Mac. What is happening? Let’s identify a scenario around this […]
Data Center Sustainability Improvements Via Free Cooling

Water Side Economizing Also known as “free cooling,” water side economizing provides significant energy efficiencies because it doesn’t rely on traditional refrigeration. For this final post in my series about energy saving data center cooling strategies I’ll focus on the significant role water side economizing plays in modern data center HVAC (Heating Venting Air […]
Why Your Data Center Should Have Aisle Containment

As I say in my previous blog post, data centers in the United States use a full 1% of the nation’s power so improving efficiencies makes very real sense. In this series of blog posts about HVAC (Heating Venting Air Conditioning) cooling strategies for computers I summarize the main elements you should focus on to make […]
Data Center Cooling Optimizations Bring Big Wins

At XMission we have just completed some significant energy efficiency improvements in our data center. To educate the public and our customers as well as promote sustainable energy practices, I will be writing some blog posts about industry trends and the steps we have taken at XMission to dramatically improve our energy efficiencies. These best […]
Net Neutrality

A recent federal court decision in a case involving a Verizon challenge to FCC “Net Neutrality” rules has inspired many breathless headlines about the death of the Internet as we know it. Because this will enable giant Internet providers to start prioritizing traffic based upon what their customers are willing to pay them, it deals […]
Register for Ski PHP on January 17-18

XMission kicks off our 2014 community sponsorship calendar with the Ski PHP Conference on Friday, January 17 and Saturday, January 18. The conference takes place at the Miller Campus of Salt Lake Community College. Ski PHP, presented by the Utah PHP Users Group, features top national and international PHP experts to present over 50 talks […]