Mark Wogahn wrote:

No joy here. The thing that bugs me the most about this problem is why do stunnel versions after 4.33 work on linux and bsd but not Mac OS?

It looks like Apple has put some serious effort to make its TCP/IP stack incompatible with other operating systems.

Here is the the version I successfully tested against Mac OS X 10.5.8 (PowerPC):
ftp://ftp.stunnel.org/stunnel/beta/stunnel-4.52b2.tar.gz

Mike