Kolab Now MX Migration Sorted

When I switched over mail infrastructure earlier this week, I might have been under a few mistaken impressions — in hindsight, one might qualify at least some of them as embarrassing. Firstly, MX records never work the way you suspect — in part because you expect them to work as specified. Forget that. In a… Continue reading Kolab Now MX Migration Sorted

Apple on Guam: The Dots on The i

I’ve said before we had gotten reports from people that voluntarily participate in the Kolab Now Beta Programme, that the iPhone iOS and Mac OS X Mail.app were not really happy using IMAP over implicit SSL (you know, the one on port 993). Here’s a summary of the things that have happened thus far; Supply… Continue reading Apple on Guam: The Dots on The i

Emergency Service Window for Kolab Now

We’re going to need to free up a hypervisor and put its load on other hypervisors, in order to pull out the one hypervisor and have some of its faulty hardware replaced — but there’s two problems; The hypervisor to free up has asserted required CPU capabilities most of the eligible targets do not have… Continue reading Emergency Service Window for Kolab Now

Kolab Now Beta Program: An Update

Now that we’ve launched our Kolab Now Beta Program, I get to tell you more about what it is we learn from it. Before we start, the features that are a part of this program are not supported. You’re welcome to provide us with feedback on the Kolab Hub Beta Program forum, but feedback does… Continue reading Kolab Now Beta Program: An Update

Introducing the Kolab Now Beta Program

I’m pleased to be able and allowed to introduce you to the Kolab Now Beta Program, which my colleagues and myself can use to deploy newer versions of software sooner, faster and with less strict guarantees of availability and stability (i.e. the concept of a “service window” does not apply). The first feature to be… Continue reading Introducing the Kolab Now Beta Program

rcode0: the absolute best of the bunch

We’ve run several DNS zones for Kolab Now, using an in-house hidden nameserver topology — in order to protect the keys used to sign DNSSEC zones, both the hidden topology as well as keeping as much of it in-house as possible, have been absolute musts. More recently, we received a certain type of threat, causing… Continue reading rcode0: the absolute best of the bunch

Outlook and IMAP: A Fatal Combination?

We’ve received reports of Microsoft Outlook users who use IMAP and appear close to hitting their storage quota receive an annoying and perhaps even debilitating number of pop-up alerts. TL;DR: Raise your quota, clean out your mailbox and switch to a functional client. Or any of the 7 other options. Let us set the scene:… Continue reading Outlook and IMAP: A Fatal Combination?