Send and receive mails
  Write a mail- Send mail
  Using address book
  Using bacup function
  Using signature file
  Attach files in WebHD
  Attach files in local computer
  Attachments sent out with mail
  Attachments as a link sent out with mail
Receive and read mails
  Receive mails - Read a mail
  Mail folder
  Mail list view
  Add e-mail addresses into address book
Forward
  Forward a mail
Reply
  Reply a mail
  Reply all
Mail management
  Delete mails
  Move mails
  Save mail as
External mail setting
  Add external mail account
  Edit external mail account
  Delete external mail account
  Receive mails from external mail account
Signature file setting
  Add/Edit Signature file
  Automatically attach signature file in sending a mail
Automatically forward mails setting
  Add automatically forwarding mail account
  Edit automatically forwarding mail account
  keep a copy when automatically forwarding
Mail folder management
  Mail folder management
  Add a new folder
  Rename a mail folder
  Empty a mail folder
  Delete a mail folder
  Mail space quota reminding