Email Field

The basic mail module is one of the new core modules and let you add an email address field. The module is enabled by default.
The address fields can be displayed in different formats: e.g. as clickable link or as plain text.

 You can add a field 'email' to a contenttype

email add field.png

You can set a default value if you want.

email default value.png

In 'Manage display' you can choose the display you want: plain text or a clickable link.

email manage display.png