me sale el siguiente error
Delivery to the following recipient failed permanently: xxxxxxxx@telefonica.net
Technical details of permanent failure: Google tried to deliver your message, but it was rejected by the server for the recipient domain telefonica.net by tnetmx.telefonica.net. [213.4.149.227]. The error that the other server returned was: 552 5.2.0 EAaU1l00a3r4cPl0AAaj7N internal error
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