Privacy Settings Irrelevant
For project unisource.userecho.com, privacy allows anonymous posts on default page and comments, as shown below.
But user is still asked to login
But user is still asked to login
The reason of authentication that you have some custom fields in user profile. Our system request authentication if you have a custom field in user profile to fill it out.
Seem like it our bug. Will check it again and fix it if Anonymous is allowed.