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AW: AW: [suse-security] Can't access from outside
DNS or Firewall. Try a
Telnet aaa.bbb.ccc.ddd 25
Where aaa.bbb.ccc.ddd is your real (not dyndns) ip-adress. Perhaps dyndns is
not up to date.
> I try to telnet from outside, but there's no response. From
> internal or my other servers that in one subnet, I get this
> answer telnet reynaldi.dyndns.org 25 Trying 220.127.116.11...
> Connected to reynaldi.dyndns.org.
> Escape character is '^]'.
> 220 arie.reynaldi.dyndns.org ESMTP Postfix
> But from other place I got no response
> telnet reynaldi.dyndns.org 25
> Trying 18.104.22.168...
> telnet: connect to address 22.214.171.124: Connection timed out
> And in my /var/log/mail, there's no messages that shows any
> connection from ex. yahoo.com or any other servers.
> I think it's firewall problem :(
> > Test it from outside with a
> > $ telnet yourserver.dyndns.org 25
> > If you get an answer like:
> > 220 yourserver.dyndns.org ESMTP Postix
> > it is not a firewall problem. Then you will have to
> configure postifx
> > correctly.
> > Christian
> Arie Reynaldi Zanahar
> Check the headers for your unsubscription address
> For additional commands, e-mail: suse-security-help@xxxxxxxx
> Security-related bug reports go to security@xxxxxxx, not here
Check the headers for your unsubscription address
For additional commands, e-mail: suse-security-help@xxxxxxxx
Security-related bug reports go to security@xxxxxxx, not here