Updated FAQ

FAQ.md

@@ -99,8 +99,12 @@ So, unless your provider can enable this extension, you cannot use FairEmail for
 **(11) Why is STARTTLS for IMAP not supported?**
 
 STARTTLS starts with a not encrypted connection and is therefore not secure.
-All known IMAP servers support IMAP with STARTTLS, so there is no need to support STARTTLS for IMAP.
-If you encounter an IMAP server that requires STARTTLS, please [create an issue](https://github.com/M66B/open-source-email/issues/new).
+All well known IMAP servers support IMAP with a plain SSL connection, so there is no need to support STARTTLS for IMAP.
+If you encounter an IMAP server that requires STARTTLS, please let me know.
+
+For more background information, please see [this article](https://www.eff.org/nl/deeplinks/2018/06/announcing-starttls-everywhere-securing-hop-hop-email-delivery).
+
+tl;dr; "*Additionally, even if you configure STARTTLS perfectly and use a valid certificate, there’s still no guarantee your communication will be encrypted.*"
 
 <a name="FAQ13"></a>
 **(13) How does progressive search work?**