Joining forces vs. starting from scratch (was Re: Proposal to start a new implementation...)

Nomis101 🐝 Nomis101 at
Tue Apr 11 21:31:31 UTC 2017

Am 11.04.17 um 20:53 schrieb Magnus Melin:
> On 4/11/17 6:09 AM, R Kent James wrote:
>> I wonder if we would ever consider switching to GPL?
> Good question, the MPL really hasn't served Thunderbird very well, with 
> Postbox being the prime example, resulting in zero win for the base 
> project. This would not be possible with GPL.
> You could also consider a dual licensing of GPL + commercial licensing 
> for proprietary software. (Like MySQL, Stanford CoreNLP etc.)
>   -Magnus
> _______________________________________________
> tb-planning mailing list
> tb-planning at
For people not so familiar with licensing, what are the differences
between MPL and GPL and how would this affect people who are building
Thunderbird from source?

More information about the tb-planning mailing list