Some mail to my domain are sent, some not

[softrade]

Hi, my customer has sent test newsletter to some internal emails. Account direzione@domain.it gets test emails, while account animazione@domain.it doesn't.
I tried the status panel, with those emails, with external emails, but animazione@ never gets emails.
Other infos: the sender address and the receiver address are different (the sender is info@); we tried a forward to an external email of animazione@ (every email sent to animazione@ are forwarded to external email) but emails are not forwarded, which means the server doesn't get them, I suppose.
Log files won't report errors or helpful notices.
Spam folder doesn't contain emails sent.

Any other try we can do?

Thanks in advance

Stefania

[Stefano]

Almost surely is a problem of you mail service, have you asked the provider? Which is the address you use to send the newsletters?

Stefano.

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