Added DANE texts

app/src/main/res/values/strings.xml

@@ -1192,6 +1192,8 @@
     <string name="title_encryption_none">None (insecure)</string>
     <string name="title_allow_insecure">Allow insecure connections</string>
     <string name="title_insecure_remark">Insecure connections should only be allowed on trusted networks and never on public networks</string>
+    <string name="title_dane">Enforce DANE</string>
+    <string name="title_dane_remark">Only some email servers support DANE and only a limited number of DNS servers support DNSSEC</string>
     <string name="title_notify_remark">You can enable this for account specific notifications</string>
     <string name="title_port">Port number</string>
     <string name="title_user">User name</string>