Display admin email

Shortcode usage [adminemail]  
Example 1
Display email as plain text
 
function adminEmailShortcodeFunc() {
    return get_bloginfo('admin_email');	
}

add_shortcode('adminemail','adminEmailShortcodeFunc');
 
Example 2
Display email as a link
 
function adminEmailShortcodeFunc() {
    return '<a href="mailto:'.get_bloginfo('admin_email').'" target="_top">Send Mail</a>';
}

add_shortcode('adminemail','adminEmailShortcodeFunc');