Artículos
503, se requiere autenticación para usar este servicio
En caso de recibir el mensaje: "503 se requiere autenticación para usar este servicio...
A que se debe el error: 553 sorry, that domain isn't in my list of allowed rcpthosts (#5.7.1)Al intentar enviar un correo con el Outlook Express me da el siguiente error: 553 sorry, that...
Sorry. Although I'm listed as a best-preference MX or A for that host, it isn't in my control/locals file, so I don't treat it as local. (#5.4.6)El mensaje de error "Although I'm listed as a best-preference MX or a for that host, it isn't...
failure notice (Remote host said: 550 #5.1.0 Address rejected)Hi. This is the qmail-send program at servidor.de.correo.org..I'm afraid I wasn't able to...