Acquiring new customers takes a lot of time, energy and comes with high investments. But what happens to those customers that bought something in the past? Most of the time - nothing at all. I come across a lot of...
To provide the performance and high availability that Copernica.com customers expect, we run a cluster of (many) physical servers. With a few exceptions, all these servers are multi-CPU blades with a large amount of memory, that are the host of...
At Copernica we use a cluster of Dell EqualLogic SAN devices as storage backend for our database servers. To get the best possible performance from MySQL running on a SAN we have spent quite some time on configuring the database servers for low...
Erroneous email addresses in your emailing list can be disastrous for your email reputation. After all, invalid email addresses cause a high bounce rate, and in some cases are used as spam traps. That’s why you should always take...