This article will explain how you can mark an email message as unread.
This is a quick method to mark your emails as read, with out having to open each one individually. This is useful if you have a lot of emails that you already know the contents of, which you need to mark as read.
Login to the 123-mail webmail.
Click on the Email icon in the main toolbar.
In the right pane, Click on the relevant email you would like to mark as unread. You can use you Control or Shift button to select multiple emails at once.
Click on the Edit tab and click on the Mark as drop down and select Unread.
Your email message will now be set to unread