File Not Found

[Belo]

Hi there,

as a admin of feed I added to that feed external contact (out of
google domain, x...@zoho.com). Then I added post with google doc as a
feed admin, but that external contact is unable to read it. I can see
it there (options Open, Preview), but I am unable to open it. Link is
broken - HTTP 404 File Not found.

Please could you check it.

Thanks in advance.

Belo