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----- Original Message -----
Sent: Wednesday, August 21, 2002 6:23 PM
Subject: Re: (RADIATOR) Telnet, SMTP and port 25
Hi Hugh,
Traceroute gets to the destination.
Pings are replied (reaches
destination).
Also telnet to myself (mail server) on port 25
(from the same box)
works i.e, telnet 127.0.0.1
25
This
also works:
telnet mail 25
BUT this does not: telnet
any-internet-mailserver 25
Regards,
Tunde I.
----- Original Message -----
Sent: Wednesday, August 21, 2002 5:37
PM
Subject: Re: (RADIATOR) Telnet, SMTP and
port 25
Hello Tunde -
The error message clearly states "No route
to host".
Try a traceroute to see
what is amiss.
regards
Hugh
On Wednesday, August 21,
2002, at 06:12 PM, Ayotunde Itayemi wrote:
Hi Hugh, Hi all,
Okay
this is not a RADIUS question, but excuse me anyway.
I
have a RedHat 6.2 Linux system that has been configured as a mail
server
for
a real Internet domain. Users can receive their mails but nothing (mails)
can be sent out.
After
a lot of troubleshooting I made out the
following:
1.
The system can't send mails out because you cannot initiate a telnet session
from
it
to any other system on port 25
e.g.,
[root@mail
itayemi]# telnet 10.0.4.4 25
Trying 10.0.4.4...
telnet: Unable to
connect to remote host: No route to
host
This
is the same message that keeps being written to the mail log
(/var/log/maillog)
by
sendmail. Any ideas?
You
can telnet to it on port 25 from other
systems.
I
have looked at all the common causes I can think of (DNS, inetd, routing,
sendmail etc)
Nothing
seems to work. The system is not configured as a firewall and the port is
not blocked
by
the router or any other device.
Regards,
Tunde
I.
NB: I
am travelling this week, so there may be delays in our
correspondence.
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