local usermanager_get_sasl_handler = require "core.usermanager".get_sasl_handler;
local tostring = tostring;
-local secure_auth_only = module:get_option("c2s_require_encryption") or module:get_option("require_encryption");
+local secure_auth_only = module:get_option("c2s_require_encryption", module:get_option("require_encryption"));
local allow_unencrypted_plain_auth = module:get_option("allow_unencrypted_plain_auth")
local log = module._log;