[CentOS] Not receiving mail

Dotan Cohen dotancohen at gmail.com
Mon Oct 18 16:38:26 EDT 2010


On Mon, Oct 18, 2010 at 22:34, Steve Clark <sclark at netwolves.com> wrote:
> Hmm... I am not having any problem connecting from the U.S.
>
> ping 178.63.65.136
> PING 178.63.65.136 (178.63.65.136) 56(84) bytes of data.
> 64 bytes from 178.63.65.136: icmp_seq=1 ttl=49 time=140 ms
> 64 bytes from 178.63.65.136: icmp_seq=2 ttl=49 time=142 ms
> 64 bytes from 178.63.65.136: icmp_seq=3 ttl=49 time=138 ms
>
> telnet 178.63.65.136 25
> Trying 178.63.65.136...
> Connected to 178.63.65.136.
> Escape character is '^]'.
> ^]
> telnet> close
> Connection closed.
>

Exactly the problem! It pings fine (so I know that connections can be
established over the physical wires) and on the IP address telnet
answers. However, telnet to port 25 (smtp) with the domain name fails.
Why could that be?

-- 
Dotan Cohen

http://gibberish.co.il
http://what-is-what.com


More information about the CentOS mailing list