Re: [Enigmail] postbox-inc.com

Dmitry Alexandrov <[email protected]> Wed, 01 Jul 2020 17:01:46 +0300

Newsgroups	gmane.comp.mozilla.enigmail.general
Message-ID	<[email protected]>

Patrick Brunschwig <[email protected]> wrote:
> On 01/07/2020 03:40, Dmitry Alexandrov wrote:
>> Patrick Brunschwig <[email protected]> wrote:
>>> Enigmail is available for: * Postbox (https://postbox-inc.com), a commercial product
>> 
>> Could you tell more about it, please?  Itʼs nonfree, is not it?
>> 
>>> currently based on TB 52.
>> 
>> Yet, being a fork of Thunderbird, it should have a substantial free part.  How large that part is?  Is is published?  Does it adds anything valuable on top of Thunderbird?
>> 
>
> The Mozilla Public License allows to create closed-source software without the need to publish anything.

Sure.  No free software license mandates that anything must published.

> That is, there no published code.

Neither you, being a purchaser of ‘Postbox’, have ever downloaded it?

Indeed, MPLʼs copyleft is so weak, that a free code you get is not necessary any useful for an user¹, but I supposed, that you, being a prominent extension developer besides an end-user, might be interested in it nevertheless...

-
¹ I. e. there may be no way to relink or rebuild an application against it.

> Postbox adds quite a bit of functionality and design to the user interface. Just have a look on their homepage.

Sorry, I have to express myself more clearly — by ‘it’ I meant a free part.

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