Dear Janos,

Thank you very much for your contributions in providing a chance for everyone 
to make e-mail safer and more compliant!

I am convinced that many people do value this very much while too few take a 
chance to say

T H A N K S!


Technische Universität Dresden
Fakultät Wirtschaftswissenschaften
Lehrstuhl für Entrepreneurship und Innovation
Prof. Dr. Michael Schefczyk
D-01062 Dresden

Fon: +49-3 51-4 63-3 68 81
Fax: +49-3 51-4 63-3 68 83

-----Ursprüngliche Nachricht-----
Von: <> 
Gesendet: Mittwoch, 22. Juli 2020 21:08
An: Piler User <>
Betreff: Re: Enterprise edition

I'd like to clarify a few things. I'll use the following conventions in this 
email to distinguish between the open source and commercial editions of piler:

- 'piler': the open source email archiving project
- 'piler-ee': the commercial, enterprise version of piler

I'm a huge fan of open source projects, and even though I'm working on a paid, 
commercial product of piler-ee, I'd like to emphasize that

- I intend to keep piler open source, you have access to the source code
- I won't remove any feature from piler to make piler-ee more attractive
- I won't force you to switch to piler-ee*
- You can use piler for whatever purposes absolutely free of charge

Note that despite piler doesn't have the word 'enterprise' among its 
adjectives, it doesn't mean it's a crappy product you shouldn't use it for 
company purposes. It's quite the opposite. I believe that piler is a decent 
product for a secure email archive (especially if you regularly backup its key 
components, but that's a story for another day).

However, I've been looking for ways to monetize the popularity of piler, so 
I've decided to fork it, and been working on piler-ee, including commercial 
services as well even for piler.

*: check out if you are curious what piler-ee offers for 


On 2020-07-22 18:07, Martin Nadvornik wrote:
> Hi Marcelo,
> can't speek for Janos, the developer of Piler, but I am not aware of 
> any changes. What did you read that leads you into thinking piler is 
> not open source anymore?
> The source code is available like always at 
> and the master branch 
> had the last commit 4 days ago...
> There has always been an enterprise edition (at least as long as I 
> know the project) but you are not required to pay anything to use 
> piler when using the open source version.
> Or maybe you got confused because the site currently seems a bit 
> broken and clicking on "GoBD notes" leads to the enterprise 
> documentation. The normal documentation ist still reachable under 
> however.
> Janos: FYI the website seems broken. I guess "Please fill or disable 
> this placeholder" is not something that is supposed to be there :)
> Regards,
> Martin
> Am 2020-07-22 17:51, schrieb Marcelo Machado:
>> Hello everyone.
>> Is Mail Piler only commercial now?
>> Does the Open Source Edition still exist?
>> Marcelo Gomes

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