If there is more than one MX record with the same preference number, all of those must be tried before moving on to lower-priority entries.
There can be more than one MX record for a domain.
There can be more than one MX record for a domain.
これをもっとわかりやすくしてください: If there is more than one MX record with the same preference number, all of those must be tried before moving on to lower-priority entries. 出力: