Poll outlook user folders

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

@@ -1280,7 +1280,7 @@ class Core {
                         folder.type = (EntityFolder.SYSTEM.equals(type) ? type : EntityFolder.USER);
                         folder.synchronize = false;
                         folder.subscribed = subscribed;
-                        folder.poll = ("imap.gmail.com".equals(account.host));
+                        folder.poll = account.shouldPoll();
                         folder.sync_days = EntityFolder.DEFAULT_SYNC;
                         folder.keep_days = EntityFolder.DEFAULT_KEEP;
                         folder.selectable = selectable;

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

@@ -147,6 +147,11 @@ public class EntityAccount extends EntityOrder implements Serializable {
         return new String[]{name, null};
     }
 
+    boolean shouldPoll() {
+        return ("imap.gmail.com".equals(host) ||
+                "outlook.office365.com".equals(host));
+    }
+
     public JSONObject toJSON() throws JSONException {
         JSONObject json = new JSONObject();
         json.put("id", id);