Quote Originally Posted by jld View Post
[url] => http://4tknox.au.com/cgi-bin/themerchant.au.com/ecom/external2.pl
Agreeing with RodG that error 56 is typically an SSL issue. Hence the request to see the code.
And I also note that your CURL log shows that you're connecting to your gateway over http, not https. Wondering why you're doing that.