Exim - Sender address rejected loopback address

[Liga <alessioligabue@gmail.com>]

ciao,
ho una mail che mi ritorna un errore da un server remoto:

 SMTP error from remote mail server after RCPT TO:<INDIRIZZO@DOMINIO.IT>:
    host MX.DOMINIO.IT [xxx.xxx.xxx.xxx]: 554 5.7.1<MIOINDIRIZZO@MIODOMINIO.IT>:
    Sender address rejected: This block is assigned for use as the Internet host loopback address


Return-path:<razzano.f@consorziofit.it>
Received: from [192.168.1.214]
	by smtp.miodominio.it with esmtpsa (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32)
	(Exim 4.72)
	(envelope-from<MIOINDIR@MIODOMINIO.IT>)
	id 1RxGYN-0000OI-Ak
	forINDIRIZZO@DOMINIO.IT; Tue, 14 Feb 2012 12:28:12 +0100