Exactly, and I wholeheartedly support this policy.When a question is asked with little or no context, we do prefer that others wait until the OP comes back to provide the context that our guidelines state should be offered when a question is first asked. Otherwise, the discussion develops into a guessing game among other members and often the information provided does not correspond to the actual context once that context is known.
No, you should not - Answers given to context-free questions are usually nothing more than useless shots in the dark
We still need context about how is written that e-mail.
If the mail does contain previous personal pronouns: vous inscrire; otherwise: s'inscrire.
I am guessing:
The WordReference Grammar University organises a conference. lien pour [soumettre un contexte et] s'inscrire.
The WordReference Grammar University invites you to its conference. lien pour [soumettre votre contexte et] vous inscrire.
Detail context is always required.
Un contexte détaillé vous est toujours demandé
I’m not sure I’ve understood your question. When a thread has that tag, no one can post in it except for the OP or a moderator.