No route to host - mail error


 
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Old 07-23-2012
No route to host - mail error

A linux box is supposed to emailing the results of backups to the windows exchange server, but nothing arrives. it never has, as the muppet who set up the Windows domain knew nothing about linux. I know only slightly more than that...

pretty sure sendmail is the daemon running to handle mail. it shows in ps -elf.
/var/mail/maillog contains the same general line, repeating:

Code:
sendmail[3893]: q6I6gwfs011345: to=<username@live-domain.com.au>, ctladdr=<root@linux.live-domain.com.au> (0/0), delay=4+22:59:07, xdelay=00:00:00, mailer=esmtp, pri=10830308, relay=mail.live-domain.com.au., dsn=4.0.0, stat=Deferred: mail.live-domain.com.au.: No route to host

mail.live-domain.com.au is the external MX record. We don't really want this server to get out to the internet, no need. The firewall is most likely blocking it, but it shouldn't need to go through the gateway.

Internal i.p. address is 10.45.1.11, which is pingable, and i can telnet to it.

Is it just a matter of reconfiguring the settings to point to the internal i.p for the exchange server? It will never need to get out to the big bad internet.

Where are these settings? sendmail.cf doesn't seem to be the place?
 
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bubbros-client(6)						   Games Manual 						 bubbros-client(6)

NAME
bubbros-client - the bub-n-bros client SYNOPSIS
bubbros-client [ options ] [host[:port]] DESCRIPTION
This is the bub-n-bros client that connects to bub-n-bros servers started with bubbros-server(6) or bubbros(6). It supports many different audio and video drivers and is very multi-platform. OPTIONS
host Search for a game on the given machine, and connect to one if found. If this is not defined, search for servers on the local net- work. host:port Connect to server running on given port on given host. If this is not defined, search for servers on the local network. --bits=N This option concerns only the windows audio driver. Set bits per sample. Valid values are 8 and 16 (default). -d DRIVER, --display=DRIVER Use video driver DRIVER. Valid drivers are: X X Window driver for Linux and Unix systems with an X server running. See the --shm option. windows MS Windows driver. pygame PyGame gaming library for python (if installed) has video output. Use it if this is specified. See http://www.pygame.org and the --transparency option. gtk Use the PyGTK library (if installed). See http://www.pygtk.org/ and the --zoom option. -h, --help Display help. --fmt=format This option concerns only the linux audio driver. Set the sound data format. Defaults to S16_NE. You can get a list of supported formats with --fmt=list. --freq=N This option concerns only the linux and windows audio drivers. Set mixing frequency to N (in Hz). Defaults to 44100. -m, --metaserver Connect with the help of the Metaserver (see bubbros-server(1) for more info). Run bubbros-client -m to print a table of currently running servers, pick the the exact IP address and port of the server of your choice from the table, and run again bubbros-client -m host:port. --port TCP=port In conjunction with the -m option, force a specific port on which to listen for an incoming TCP connexion from the remote server. This is only used if a direct connexion to the server fails. A random port number is picked by default. This option is useful if you are behind a firewall but can let TCP connexions on specific ports reach you. --port UDP=port Force a specific port on which to listen for incoming UDP traffic (animation data). Useful if you are behind a firewall but can let UDP traffic on a given port pass through. This is optional: animation data is routed over the TCP link if it does not appear to reach the client. A random port number is picked by default. -s DRIVER, --sound=DRIVER Use driver DRIVER for audio. Valid drivers are: pygame Use the audio capabilities of the PyGame library (http://www.pygame.org). linux Use the linux audio mixer. See the --freq and --fmt options. windows Use the Windows audio mixer. See the --freq and --bitsoptions. off No sounds. --shm=yes, --shm=no This option concerns only the X display driver. Disable or enable the shm (Shared Memory) extension. It is enabled by default and should only be disabled for remote X connections and old X servers. -t Use the TCP protocol. The default is to autodetect the protocol. See the -u option. --transparency=yes, --transparency=no This option concerns only the pygame display driver. Disable or enable transparent bubbles. Enabled by default. Disabling makes game a bit faster. -u Use the UDP protocol. The default is to autodetect the protocol. See the -t option. --zoom=N% This option concerns only the gtk display driver. Scale output by N%. SEE ALSO
bubbros(6) bubbros-server(6) December 7, 2007 bubbros-client(6)