horas simalango wrote: > Dear Mr/Mrs/Ms, > > I have e-mail server using Centos 4.1 Please update that machine immediately. You haven't had any security updates for over two years. Regarding your mail problem: Your server cannot reach the MX server for that domain. A traceroute will show if that lies within your network or somewhere else. Cheers, Ralph -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 189 bytes Desc: not available URL: <http://lists.centos.org/pipermail/centos/attachments/20080131/580ca5f7/attachment-0005.sig>