Honor feature limitations for imap and pop3

core/admin/mailu/internal/nginx.py

@@ -37,21 +37,26 @@ def handle_authentication(headers):
         password = urllib.parse.unquote(headers["Auth-Pass"])
         ip = urllib.parse.unquote(headers["Client-Ip"])
         user = models.User.query.get(user_email)
+        status = False
         if user:
             for token in user.tokens:
                 if (token.check_password(password) and
                     (not token.ip or token.ip == ip)):
-                        return {
+                        status = True
-                            "Auth-Status": "OK",
-                            "Auth-Server": server,
-                            "Auth-Port": port
-                        }
             if user.check_password(password):
+                status = True
+            if status:
+                if protocol == "imap" and not user.enable_imap:
+                    status = False
+                elif protocol == "pop3" and not user.enable_pop:
+                    status = False
+        if status:
             return {
                 "Auth-Status": "OK",
                 "Auth-Server": server,
                 "Auth-Port": port
             }
+        else:
             status, code = get_status(protocol, "authentication")
             return {
                 "Auth-Status": status,