On Thu, 2005-10-27 at 21:21 -0600, Philip Prindeville wrote: > Craig White wrote: > > >On Thu, 2005-10-27 at 20:26 -0600, Philip Prindeville wrote: > > > > > >>I'm running FC3 (updated) on a handful of machines. > >> > >>I have a single IP address, with a NATing router set to that > >>address. I have a domain, and an MX which points through > >>the router at my mail server (or rather, the router is configured > >>to port-forward 25, 143, etc to the mail server). > >> > >>I also have several mail clients on my 192.168.1.x network. > >> > >>The issues are the following: > >> > >>* the clients have a smart host (DS) defined as the mail relay, > >> but they canonical its name and then look it up in the DNS, > >> trying to contact it on the external IP address (and not its > >> internal 192.168.1.x address in the /etc/hosts file). My > >> /etc/nsswitch.conf file is unmodified. > >> > >>* the clients then try to relay the email with a sender's envelope > >> address as user@xxxxxxxxxxxxxx, which the relay rejects > >> because "host.my-domain" doesn't resolve in the DNS. > >> > >>* I should probably have define(`LOCAL_RELAY', `:$S') to > >> handle forwarding everything to the mail server. > >> > >>I used to know all of this stuff once upon a time... > >> > >>Am I missing anything? > >> > >> > >---- > >I've never used 'LOCAL_RELAY' so I can't help you there. I typically run > >my own DNS servers inside the LAN so that the name resolution is > >completely under my control - where mail.mydomain_name.com would resolve > >to an internal mail server which handles end delivery (or smart host > >delivery). > > > >If you don't want to run your own DNS, it's just simpler to use smart > >host pointing directly to the ip address of your mail server directly > >instead of a name which loops the connection outside of the trusted LAN. > > > > > > Gah! I thought about that, but I was hoping there was a less > heinous fix. ---- heinous ? edit sendmail.mc change the one line make -C /etc/mail you're done. heinous ? http://dictionary.reference.com/search?q=heinous Craig -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean.
