Limitations.md

+## Limitations
+- Android doesn't seem to have any kind of mail autoconfiguration at the moment.
+- The "Mail" program form Mac OSX doesn't seem to have any kind of mail autoconfiguration at the moment.
+- iOS config file generator seems to only work for one mailbox at the moment.
+- You shall not use /ios or /autodiscover for your websites, because they are reserved for mail configuraiton.
\ No newline at end of file