Ciao a tutti, da pochi mesi ho migrato un sito di un mio cliente da un hosting classico ad un server dedicato. Tutto formidabile tranne un particolare, quando invia delle mail ad un suo cliente da anni gli ritorna un messaggio di rigetto. come se google lo considerasse uno spammer.

Preciso che l'indirizzo mail del destinatario consiste in un dominio di sua proprietà quindi suppongo che utilizzi Google Apps For Works ...

Difatti se si invia un messaggio ad una casella mail gmail.com il messaggio arriva normalmente.

allego l'errore che ritorna, un messaggio simile lo ottiene quando invia mail a caselle hotmail.it

Delivery to the following recipient failed permanently:


info@destinatario.xx


Technical details of permanent failure:
Message rejected by Google Groups. Please visit http://mail.google.com/support/bin/a...&answer=188131 to review our Bulk Email Senders Guidelines.


----- Original message -----


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Date: Tue, 06 Oct 2015 15:49:30 +0000
Message-ID: <20151006154930.Horde.2TxRqqN3dq5pKVtLtxFn4w8@www. miodominio.xx>
From: io@miodominio.xx
To: info@destinatario.xx
Subject: Informazioni
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Buongiorno a tutti, sembra che abbiamo dei problemi con la posta,
ricevete le mail dal nostro indirizzo?


Saluti