How to search the mail I need from many email fast?

Select "Search" on the left side of the page,and enter keywords or search type and folder.Click "Start to search",and you can find the email you need easily.

Can I search content partially matched?

Sorry. Now we only provide complete match content search. It will satisfy users who buy full-text search value-added services.You can enter keyword in the upper left of the window.The mail system will match your keyword with content from email subjucts,recipients,senders,text and attachment subjects,and then arrange in summary or fragment.

Can I restore the emails I delete previous?

Sorry.Now we only provide complete match content search. If you click "Delete" to delete an email, you can find the delete ones in "Deleted" and move them to inbox or personal folder.