Updated FAQ

app/src/main/java/eu/faircode/email/EntityAccount.java

@@ -183,6 +183,8 @@ public class EntityAccount extends EntityOrder implements Serializable {
     }
 
     boolean shouldPoll() {
+        // Gmail: Too many simultaneous connections
+        // Outlook: User is authenticated but not connected
         return ("imap.gmail.com".equalsIgnoreCase(host) ||
                 "outlook.office365.com".equalsIgnoreCase(host));
     }