Mail Delivery Subsystem para mim
mostrar detalhes 06:51 (4 minutos atrás)
Delivery to the following recipient failed permanently: firstname.lastname@example.org
Technical details of permanent failure:
Google tried to deliver your message, but it was rejected by the recipient domain. We recommend contacting the other email provider for further information about the cause of this error. The error that the other server returned was: 553 553 sorry, that domain isn't in my list of allowed rcpthosts (#5.5.3 - chkuser) (state 14).