Aside from other anti-spam measures, we have applied a concept known as grey listing. Here’s a summary of how grey listing works: When an email delivery attempt is made, we know the sending server’s IP address, the sender address, and the recipient address. If this is a previously unseen combination of facts, the delivery attempt… Continue reading Kolab Now: Grey Listing Applied
This weekend has seen a variety of systems being issued either of, or combination of, the following commands; yum -y update yum –enablerepo=kolab-16-updates-testing -y update puppet agent -t –no-noop reboot rm -f /dev/null; mknod -m 666 /dev/null c 1 3 I don’t expect everyone to know and understand what these pieces mean, so I’ll divide… Continue reading Kolab Now: Another Round of Updates
While it’s been argued before, over and over again, that the concepts behind a crypto-currency like BitCoin or Ethereum or Ripple or LiteCoin might mean the upheaval of the traditional economy, it’s also been argued that it is actually the underlying blockchain technology that implies the change of pace. I disagree. One can arguably not… Continue reading Purposefully Not the Center of Attention
Dear Lazyweb, even though Fedora 26 is not yet released, I’ve upgraded — now, VideoLAN isn’t displaying video any longer. If I start it with —no–embedded–video I do get video, but it doesn’t seem to be able to run or switch to/from fullscreen. Resetting my preferences has not helped so far. I would appreciate to… Continue reading Dear Lazyweb: No video for VLC on Fedora 26?
Using Pagure and COPR, Tim Flink and I have settled on using common infrastructure to further the inclusion of Phabricator in to the Fedora repositories (and EPEL). I’m hoping this will bear fruit and get more people on board. Our Pagure repository is at Phab Phour Phedora — a mix of Fabuluous Four, Phabricator for… Continue reading Phabricator Packages for EPEL, Fedora
Many distributions, among which Fedora in 23 & 24, and Arch Linux, have recently shipped NSS 3.27, sometimes packaged as 3.27.0, or even 3.27.1. This release may just have triggered some confusion about disabling, enabling, and defaulting to or not, the NSS implementation of TLS version 1.3 (currently in draft). Fun! We’ve received reports from… Continue reading Heads-up on NSS 3.27, Guam
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