diff -r c84ff82658cb -r 853a382c9bd6 mod_auth_dovecot/auth_dovecot/sasl_dovecot.lib.lua
--- a/mod_auth_dovecot/auth_dovecot/sasl_dovecot.lib.lua	Wed Feb 26 13:08:47 2014 -0800
+++ b/mod_auth_dovecot/auth_dovecot/sasl_dovecot.lib.lua	Fri Feb 28 15:36:06 2014 +0100
@@ -62,8 +62,8 @@
 	end
 
 	if not ok then
-		return false, "error connecting to dovecot "..tostring(socket_type).." socket at '"
-			..tostring(socket_path or socket_info).."'. error was '"..tostring(err).."'";
+		log("error", "error connecting to dovecot %s socket at '%s'. error was '%s'", socket_type, socket_path or socket_info, err);
+		return false;
 	end
 
 	-- Send our handshake
@@ -95,6 +95,7 @@
 			local major_version = parts();
 
 			if major_version ~= "1" then
+				log("error", "dovecot server version is not 1.x. it is %s.x", major_version);
 				conn:close();
 				return false, "dovecot server version is not 1.x. it is "..tostring(major_version)..".x";
 			end