As the author of Exim, I have been asked to post to this list on this
subject (I am not subscribed to this list; if you want me to see any
response, please cc me). I have been told that
On Fri, Aug 27, 2004 at 08:01:16PM -0400, Sam Varshavchik wrote:
It will not be possible for me to implement Sender ID in Courier. Courier
is licensed under the GPL. The FSF already flatly stated that Microsoft's
IP license is not GPL compatible. I reviewed the most recent version of
Microsoft's proposed IP license, and I've reached the same conclusion. For
this reason Sender ID cannot be implemented in Courier; Courier's
implementation will be limited to the unencumbered SPF-classic.
I have not reviewed the proposed licence, but I am prepared to take the
word of the FSF, Sam, and others who have reached the same conclusion.
Exim is licenced under the GPL. As the proposed Microsoft IP licence is
not GPL compatible, Sender ID cannot be implemented in Exim.
Unemcumbered SPF-classic functionality has, I am told, already been made
to work in Exim by appropriate configuration settings.
Philip
--
Philip Hazel University of Cambridge Computing Service,
ph10(_at_)cus(_dot_)cam(_dot_)ac(_dot_)uk Cambridge, England. Phone: +44
1223 334714.