Using the Server ­Console : Mail Manager : Configuring Email Notifications : Theme
   
Theme
The theme defines the layout of an email notification, or more precisely, its header and footer. Currently, only one single theme is supported for all notifications.
The Theme panel is to edit the header and footer to be used with email notifications.
You can adapt the header and footer settings to your needs.
The Theme panel provides following tabs:
General Tab
Name and (optional) description of the theme. You can modify name and description.
NOTE: Names and descriptions of themes and can be easily adapted to a multitude of languages via the    button. Clicking this button opens a window for entering translations of the name and description.
Header Tab
here is where you configure the information in the header of the mail theme.
Select a language for which you want to enter the header information, or select Default to enter informations that is displayed in any language for which no information is specified.
Enter the header text. You can use plain text and HTML code. On the right side, a list provides several placeholders that you can embed in the header text. Select a placeholder and click Insert.
Footer Tab
Here is where you configure the information in the footer of the mail theme.
Select a language for which you want to enter the footer information, or select Default to enter informations that is displayed in any language for which no information is specified.
Enter the footer text. You can use plain text and HTML code. On the right side, a list provides several placeholders that you can embed in the footer text. Select a placeholder and click Insert.
Attachments Tab
Here is where you specify which pictures, logos etc are available for the theme. All files added here available in the Placeholders lists on the Header and Footers tabs of the Theme panel, as well as in the Placeholders lists on the Subject and Body tabs of the Templates panel.