You’ve used all { $free_tier_limit } email masks included with your free account. You can reuse an existing mask, but using a unique mask for each account is the most secure option.
Tu ha usate tote le { $free_tier_limit } mascas email includite con tu conto gratuite. Tu pote reusar un masca existente, ma usar un unic masca pro cata conto es le option plus secur.