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Brčko, Bosnia & Herzegovina
I'm a part of the tech department for an awesome investigative journalism network called OCCRP. I'm really passionate about open source software, artificial intelligence and information security. My open source contributions are now merged with projects like reddit, elementary OS and the Tor Project. I'm running a personal blog where I share my personal stories. You can connect with me on Twitter: @r3bl_.
Authored Comments
I never really tried it, but I took some time to browse their website and it seems to me like this is the link you're looking for: http://download.zarafa.com/community/
Also, I feel obliged to link to this post on their forum: https://forums.zarafa.com/showthread.php?11434-A-change-in-the-availabi…
As I have already said, I have never tried to use their software, so I'm not really capable of understanding what exactly does that forum post really mean.
The thing I like the most about Thunderbird is that by default it automatically blocks remote content in messages, so the person (or a company) that's sending you an email does not know whether or not have you read the email until you decide to allow remote content. This stops senders from using web beacons (https://en.wikipedia.org/wiki/Web_beacon) to track its readers.