12 month(s) ago
Click Create in your backend.
Click Index link
Set an exhibit title (for example "email me!")
In the Index link text box type mailto:YOUR_EMAIL_HERE
Select a Section and Add exhibit.
Finally simply Publish the exhibit.
* I do need to stress out that putting out your email address like this may put you into a spammers mailing list etc. You need to be careful.
The alternative is to have your email in a format that only humans can read ( myemail [at] mydomain [dot] com ) or use a contact form that you'll need to create.