Linux mail指令問題 - Linux

各位大大您好，

系統上執行mail指令時出現以下錯誤

/bin/mail: line 2: message_size:: command not found
/bin/mail: line 3: message_arrival_time:: command not found
/bin/mail: line 4: named_attribute:: command not found
/bin/mail: line 5: sender:: command not found
/bin/mail: line 6: named_attribute:: command not found
/bin/mail: line 7: named_attribute:: command not found
/bin/mail: line 8: named_attribute:: command not found
/bin/mail: line 9: named_attribute:: command not found
/bin/mail: line 10: named_attribute:: command not found
/bin/mail: line 11: original_recipient:: command not found
/bin/mail: line 12: recipient:: command not found
/bin/mail: line 14: syntax error near unexpected token `('
/bin/mail: line 14: `Received: from localhost

有下rpm去查詢 mailx確實已安裝

請問該如何解決呢?

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