No. First, your contact information is kept private. This is very important to us.
Second, we allow filmmakers to choose whether or not messaging is enabled on their profiles:
And whether or not messaging is enabled on their film pages:
Other members will be able to message you if you track their film project, but cannot message you further if you don't ever respond.
Filmmakers will also gain the ability to message you if you and they share a contact who facilitates an introduction.