This article will explain how you can add an attachment to an email message.
Login to the 123-mail webmail.
Click on the Email icon in the main toolbar.
In the right pane, click on the New Email icon under the Edit tab.
Click on the Add Attachmentt icon, from the drop down, click on the Attach local file icon.
Select your attachment from your computer.
Your new file will now be attached to your email message.