No no todos, pero sí en varios de ellos (50% aprox. de los enviados fuera de mi server). He comprobado que mi IP estuviese en blacklist y no la he encontrado en ninguna. Esto es lo que me devuelve gmail:
Código:
This is the Postfix program at host avancexxi.
I'm sorry to have to inform you that your message could not be
be delivered to one or more recipients. It's attached below.
For further assistance, please send mail to <postmaster>
If you do so, please include this problem report. You can
delete your own text from the attached returned message.
The Postfix program
<[email protected]>: host gmail-smtp-in.l.google.com[64.233.183.114]
said: 550-5.7.1 Our system has detected an unusual amount of unsolicited
550-5.7.1 mail originating from your IP address. To protect our 550-5.7.1
users from spam, mail sent from your IP address has been 550-5.7.1
rejected. Please visit 550-5.7.1
http://www.google.com/mail/help/bulk_mail.html to review 550 5.7.1 our Bulk
Email Senders Guidelines. a24si3608610nfc (in reply to end of DATA command)
Reporting-MTA: dns; avancexxi
X-Postfix-Queue-ID: 752207AC0F0
X-Postfix-Sender: rfc822; [email protected]
Arrival-Date: Thu, 5 Oct 2006 12:26:56 +0200 (CEST)
Final-Recipient: rfc822; [email protected]
Action: failed
Status: 5.0.0
Diagnostic-Code: X-Postfix; host gmail-smtp-in.l.google.com[64.233.183.114]
said: 550-5.7.1 Our system has detected an unusual amount of unsolicited
550-5.7.1 mail originating from your IP address. To protect our 550-5.7.1
users from spam, mail sent from your IP address has been 550-5.7.1
rejected. Please visit 550-5.7.1
http://www.google.com/mail/help/bulk_mail.html to review 550 5.7.1 our Bulk
Email Senders Guidelines. a24si3608610nfc (in reply to end of DATA command)
Muchas gracias por la ayuda tío. ¿que coño es HELO?
Hace unos días monte un 2000 server en la misma red con el servidor de dominios y tal activado pero sólo tiene redireccionado hacia él el puerto 4433, y a mi ubuntu no le he tocado nada, pero lo comento por si tiene algo que ver.
Gracias de nuevo.