[Qmail-it] Strano errore di ritorno da un mail server

[RedFoxy]

Ciao a tutti, ultimamente mi trovo delle mail che tornano indietro con 
questo errore:

Remote host said: 517-MX records for softairmania.it violate section 
3.3.9 of RFC 1035.
517 Invalid domain, see <URL:ftp://ftp.isi.edu/in-notes/rfc1035.txt>

che scaricando quel file dice:
3.3.9. MX RDATA format

     +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
     |                  PREFERENCE                   |
     +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
     /                   EXCHANGE                    /
     /                                               /
     +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+

where:

PREFERENCE      A 16 bit integer which specifies the preference given to
                 this RR among others at the same owner.  Lower values
                 are preferred.

EXCHANGE        A <domain-name> which specifies a host willing to act as
                 a mail exchange for the owner name.

MX records cause type A additional section processing for the host
specified by EXCHANGE.  The use of MX RRs is explained in detail in
[RFC-974].

-- 
RedFoxy
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