Privacy Settings Irrelevant
For project unisource.userecho.com, privacy allows anonymous posts on default page and comments, as shown below.
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But user is still asked to login
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But user is still asked to login
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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.