1. Send out the documents as soon as possible, please.
2. I have typed all the documents, 12 in all, and I will send them out tomorrow morning.
3. If you receive the email we sent, reply us with a call / an email / a message.
4. I have posted you the goods / that book. Please check it.
5. We have posted you five packs of tea. Please inform us when receiving it.
6. I can't open the email / file you sent to me.