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Error de SPF de Gmail basado en la IP del cliente
Gmail está fallando la comprobación de SPF basada en la IP del cliente. Estos son los encabezados relevantes: Received-SPF: fail (google.com: domain of johndoe@example.com does not designate 164.77.240.58 as permitted sender) client-ip=164.77.240.58; Received: from johndoe (unknown [164.77.240.58]) by mail.example.com (Postfix) with ESMTP id 993643FE2D La IP del cliente (164.77.240.58) es …