Questions
What people usually ask, screen by screen. If yours is not here, write to vitalie@porsitoca.es.
Signing in
Does the invitation expire?
A personal invitation does: it expires after seven days and is used up once you use it. If yours has run out, ask whoever invited you for another. A group link does not expire or get used up: it works until an admin cancels it, while the penya is open.