It's always a pointer to mail_storage_service_user.set_parser, which is
already user-specific.
user->service_user = service_user;
mail_storage_service_user_ref(service_user);
user->username = p_strdup(pool, username);
- user->set_parser = settings_parser_dup(service_user_set_parser, pool);
+ user->set_parser = service_user_set_parser;
+ settings_parser_ref(user->set_parser);
user->set = mail_storage_service_user_get_set(service_user);
user->service = master_service_get_name(master_service);
user->default_normalizer = uni_utf8_to_decomposed_titlecase;