Fixed broken unsubscribe instructions

api/templates/email_info.html

@@ -0,0 +1,9 @@
+{{define "email_info"}}
+
+<td style="color: #999; padding-top: 20px; line-height: 25px; font-size: 13px;">
+    Any questions at all, mail us any time: <a href="mailto:{{.ClientCfg.FeedbackEmail}}" style="text-decoration: none; color:#2389D7;">{{.ClientCfg.FeedbackEmail}}</a>.<br>
+    Best wishes,<br>
+    The {{.ClientCfg.SiteName}} Team<br>
+</td>
+
+{{end}}