On Sat, 2002-12-14 at 01:17, [EMAIL PROTECTED] wrote: > Stephen Kuhn writes: > > > On Fri, 2002-12-13 at 09:06, [EMAIL PROTECTED] wrote: > >> I have two linux boxes connected to an Ethernet hub. In the /etc/hosts file > >> on each computer I have the IP address, fully qualified name (for the local > >> domain) and alias of the other machine. I can ping and FTP the other box > >> without a problem. > >> > >> But if I try to email the other box, the email sits in the queue and > >> eventually I get an error message saying the domain couldn't be found and > >> the message is undeliverable. > >> > >> I thought that by having an entry in /etc/hosts the mail program would query > >> the other computer to see if there was an account on that host to receive > >> the email. > >> > >> Do I really need to set up one of the computers as the server on such a > >> simple network? > >> > > You have to make sure that POP3 is running as a service.
> pop3??? > > my understanding of pop3 was that the emails were held on a remote server > until you retrieved them. > > I wanted to send an email directly from box A to box B. I didn't want > client B to have to retrieve email being held on server A. > >As well, you're > > going to have to double check your POSTFIX configurations as well. > > > > > I actually left the postfix configurations at the default, since the > comments within the config file said it would get my hostname and domain > through system variables ($HOSTNAME and $HOSTDOMAIN or something like that) > > I guess I could fiddle with the postfix settings too... You don't need pop3, this will work between the postfix daemons of the two boxes... however, for reasons I haven't yet bothered to investigate, postfix now maintains its own hosts file and resolv.conf. You need to make sure that your /etc/hosts and /etc/resolv.conf are the same as /var/spool/postfix/etc/hosts and /var/spool/postfix/etc/resolv.conf. That should fix it. You should really only have to mail user@alias (/etc/hosts) to successfully send mail between the boxes. But without a valid resolv.conf, you won't be able to send mail outside either. 'postfix check' will let you know if these files are out of sync. Hope that helps, Regards, John...
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