Has been no reply to a message identification

Users questions: I often use Sina free e-mail reply to a message, the message often received no reply, no reply had identified, replied to and read messages are the same, this is very convenient. What Can be read Sina-mail messages and reply messages have been separated?
Experts answer: This is necessary with the customer Respond. They proposed that allow them to help with note!
  • This information provided by the users.Thanks!