https://media.ccc.de/c/osc26 This feed contains all events from osc26 as mp4 see video outro Thu, 09 Jul 2026 11:46:22 -0000 https://static.media.ccc.de/media/events/osc/2026/logo.png https://media.ccc.de/c/osc26 https://media.ccc.de/v/5222-opensuse-grommunio-the-exchange-alternative As organizations look for practical ways to regain control over their collaboration infrastructure, open source becomes more than an alternative — it becomes a foundation and requirement for digital sovereignty. This talk presents grommunio as an open, enterprise-grade alternative to Microsoft Exchange, with a strong focus on the technology behind making it usable out of the box. The session will show how grommunio builds on the openSUSE ecosystem to deliver a complete collaboration appliance based on openSUSE 16.0, using KIWI to create a reproducible, maintainable, and deployable system image. Rather than only discussing groupware features, this talk goes behind the scenes: how the appliance is assembled, how openSUSE provides the operating system foundation, and how grommunio packages email, calendaring, contacts, mobile synchronization, Evolution/Thunderbird/Outlook compatibility, and administration into an integrated enterprise experience. A key focus is the out-of-the-box experience: turning a powerful open source software stack into a product that can be installed, configured, and operated by real organizations. The talk highlights how openSUSE technologies enable a reliable appliance model, how grommunio delivers enterprise collaboration on top of it, and why this matters for organizations that want to reduce vendor lock-in without compromising usability or professional requirements. Licensed to the public under https://creativecommons.org/licenses/by-sa/4.0/ about this event: https://c3voc.de Thu, 25 Jun 2026 10:30:00 +0200 https://cdn.media.ccc.de/events/osc/2026/h264-sd/osc26-5222-eng-openSUSE_grommunio_-_The_Exchange_alternative_sd.mp4?1783596272 Lxl-7pFFKLsL0GwMgA4A6A 2026-06-25T10:30:00+02:00 Michael Kromer No 5222, 2026, osc26, Open Source, Gallerie, osc26-eng, Day 1 The foundation of solid enterprise communication As organizations look for practical ways to regain control over their collaboration infrastructure, open source becomes more than an alternative — it becomes a foundation and requirement for digital sovereignty. This talk presents grommunio as an open, enterprise-grade alternative to Microsoft Exchange, with a strong focus on the technology behind making it usable out of the box. The session will show how grommunio builds on the openSUSE ecosystem to deliver a complete collaboration appliance based on openSUSE 16.0, using KIWI to create a reproducible, maintainable, and deployable system image. Rather than only discussing groupware features, this talk goes behind the scenes: how the appliance is assembled, how openSUSE provides the operating system foundation, and how grommunio packages email, calendaring, contacts, mobile synchronization, Evolution/Thunderbird/Outlook compatibility, and administration into an integrated enterprise experience. A key focus is the out-of-the-box experience: turning a powerful open source software stack into a product that can be installed, configured, and operated by real organizations. The talk highlights how openSUSE technologies enable a reliable appliance model, how grommunio delivers enterprise collaboration on top of it, and why this matters for organizations that want to reduce vendor lock-in without compromising usability or professional requirements. Licensed to the public under https://creativecommons.org/licenses/by-sa/4.0/ about this event: https://c3voc.de 00:27:35 media.ccc.de / RSS 0.3.3 CCC media team media@c3voc.de CCC media team No CCC Congress Hacking Security Netzpolitik A wide variety of video material distributed by the CCC. All content is taken from cdn.media.ccc.de and media.ccc.de A wide variety of video material distributed by the Chaos Computer Club. This feed contains all events from osc26 as mp4