Ian Searle wrote: >> We are considering using a subset and derivative of the Spamassasin >> rules in a commercial product (WatchGuard's WFS-Spamscreen). My >> understanding of the license is that we need to attribute the rules >> we use to the Spamassasin development team in our product, and its >> literature. Is this correct? Thank you in advance. Matt Kettler <[EMAIL PROTECTED]> writes:
> The SA rules are under the same license as SA itself. It is a dual > license of the Perl Artistic license and the GNU GPL. (ie: you can > pick either license to follow). To add to that, you must pick one license or the other. You cannot pick and choose terms from either license. Depending on which license you choose and which specific terms you follow (some parts have multiple choices), you may need to release your changes. > Both of these licenses have a variety of options to satisfy them, speak > with your corporate lawyer for an accurate interpretation. > > Under a pure layman's interpretation the GPL option should be satisfied if > you use the rules in raw text format and don't convert them to any binary > format and compile it in to your source code, and include a copy of the GPL > license with the product. (ie: the GPL allows you to distribute modified > works, provided that you don't strip the original license and that the > entire modified work has the same rights of distribution the GPL offers. > [...] Under the terms of the GPL, that would constitute a modified version (even without changing any rules), so there are some additional terms that would need to be followed. The Artistic license is generally less restrictive, if more difficult to understand. Daniel -- Daniel Quinlan anti-spam (SpamAssassin), Linux, and open http://www.pathname.com/~quinlan/ source consulting (looking for new work) ------------------------------------------------------- This SF.Net email is sponsored by: INetU Attention Web Developers & Consultants: Become An INetU Hosting Partner. Refer Dedicated Servers. We Manage Them. You Get 10% Monthly Commission! INetU Dedicated Managed Hosting http://www.inetu.net/partner/index.php _______________________________________________ Spamassassin-talk mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/spamassassin-talk