Jan 15 15:14:51 xxx postfix/qmgr[9693]: 9B4F2516E2: to=<xxx@xxx.com>, relay=none, delay=3857, status=deferred (delivery temporarily suspended: transport is unavailable) Jan 15 15:15:11 xxx postfix/qmgr[9693]: warning: connect to transport smtp-amavis: Connection refused