Adding a link to an email address using HTML:

<a href="mailto: This e-mail address is being protected from spambots. You need JavaScript enabled to view it ">Email</a>

Looks like this:

Email

Insert a subject link to the link:

<a href="mailto: This e-mail address is being protected from spambots. You need JavaScript enabled to view it ?Subject=Test email from support site">Email</a>

Looks the same:

This e-mail address is being protected from spambots. You need JavaScript enabled to view it