[dns-operations] about list's MX

[hua peng]

于 2014-5-26 15:02, SM 写道:
>> If no MX provided, how will the messages be routed?
>
>    "The lookup first attempts to locate an MX record associated with the
>     name.  If a CNAME record is found, the resulting name is processed as
>     if it were the initial name."
>
>    "If an empty list of MXs is returned, the address is treated as if it
>     was associated with an implicit MX RR, with a preference of 0,
>     pointing to that host."

Thanks for all the helps.
Anyway I  think all the lists should have an explicit MX RR, which 
should not make confusing for MTA and people like me. :P