Quote Originally Posted by dml311071 View Post
I have now installed ZC 1.3.8 (upgraded using the old database) and now, when I hist the subscribe button, I have the following error:

Sorry, my system does not understand your email address. Please try again.
Just to clarify, do you mean you hit the subscribe button without entering an email address or when there is a valid email address in the input box?

Regards,
Christian.