Dear Mr/Mrs/Ms, I have e-mail server using Centos 4.1 So far I can send and receive e-mail using this server, but why to this address: retna at pttropical.co.id can not send? Every time I send e-mail to above address my server always respon with this massage: ----- Transcript of session follows ----- <retna at pttropical.co.id>... Deferred: mail.pttropical.co.id.: No route to host Warning: message still undelivered after 4 hours Will keep trying until message is 5 days old Please help me solve this problem! Previously Thank yuo for your help. Regards, Horasima SML.
"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
Dear Mr/Mrs/Ms, I have e-mail server using Centos 4.3 So far I can send and receive e-mail using this server, but why to this address: retna at pttropical.co.id can not send? Every time I send e-mail to above address my server always respon with this massage: ----- Transcript of session follows ----- <retna at pttropical.co.id>... Deferred: mail.pttropical.co.id.: No route to host Warning: message still undelivered after 4 hours Will keep trying until message is 5 days old Please help me solve this problem! Previously Thank yuo for your help. Regards, Horasima SML.
Bill Campbell <centos at celestial.com> wrote:>>Most likely there was a temporary problem connecting to their server. I was just able to ping mail.pttropical.co.id, their only listed MX server. << Yep. And telnetting to port 25 gives a connection. Looks OK now: telnet mail.pttropical.co.id 25 Trying 203.130.193.106... Connected to mail.pttropical.co.id (203.130.193.106). Escape character is '^]'. QUIT Connection closed by foreign host. Best, --- Les Bell, RHCE, CISSP [http://www.lesbell.com.au] Tel: +61 2 9451 1144 FreeWorldDialup: 800909
horas simalango wrote:> Dear Mr/Mrs/Ms, > > I have e-mail server using Centos 4.1Please 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-0002.sig>