"horas simalango" <horasima at gmail.com> wrote: >> Please help me solve this problem! << The commands you'd use to diagnose this problem are: dig pttropical.co.id SOA (That works fine) dig pttropical.co.id MX (That works, and shows mail.pttropical.co.id as their MX) traceroute mail.pttropical.co.id (Which bombs out. Ergo their mail server or an upstream router or link is down). Best, --- Les Bell, RHCE, CISSP [http://www.lesbell.com.au] Tel: +61 2 9451 1144 FreeWorldDialup: 800909