189 Can I send short messages for free?

Hello, yes, you can send short messages at 189 mailbox and 100 emails for free (80 in the network, 20 in different networks, with a daily limit of 20); 5 yuan, 10 yuan, 20 yuan e-mail box can send 600 (500 inside the network, 0/00 outside the network, with a daily limit of 50).