diff --git a/mail/js/preview.js b/mail/js/preview.js
new file mode 100644
index 0000000000..060fdd01f7
--- /dev/null
+++ b/mail/js/preview.js
@@ -0,0 +1,32 @@
+/**
+ * mail - handle mailto and other links in preview
+ *
+ * @link http://www.egroupware.org
+ * @author Stylite AG [info@stylite.de]
+ * @copyright (c) 2014 by Stylite AG <info-AT-stylite.de>
+ * @package mail
+ * @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
+ * @version $Id$
+ */
+
+/*egw:uses
+	phpgwapi.jquery.jquery.base64;
+*/
+
+jQuery(function()
+{
+	jQuery('body').on('click', 'a[href]', function()
+	{
+		// active mailto: links with mail compose
+		if (this.href.substr(0, 7) == 'mailto:')
+		{
+			egw(window).open(null, 'mail', 'add', {send_to: jQuery.base64Encode(this.href.substr(7).replace('%40', '@'))});
+
+			return false;	// cant do event.stopImediatePropagation() in on!
+		}
+		else	// add target=_blank to all other links, gives CSP error and would open in preview
+		{
+			this.target = '_blank';
+		}
+	});
+});
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