24 messages in net.sourceforge.lists.courier-usersRe: [courier-users] ESMTP does NOT ne...
FromSent OnAttachments
Reindl HaraldApr 14, 2007 12:13 pm 
Sam VarshavchikApr 14, 2007 12:48 pm 
Reindl HaraldApr 14, 2007 1:17 pm 
Sam VarshavchikApr 14, 2007 3:56 pm 
Reindl HaraldApr 14, 2007 4:11 pm 
Sam VarshavchikApr 14, 2007 5:38 pm 
Reindl HaraldApr 15, 2007 9:56 am 
Harry DuncanApr 15, 2007 12:23 pm 
Reindl HaraldApr 15, 2007 12:44 pm 
Lisa MuirApr 15, 2007 1:47 pm 
Reindl HaraldApr 15, 2007 1:54 pm 
Malcolm WeirApr 15, 2007 2:20 pm 
Gordon MessmerApr 15, 2007 7:30 pm 
Gordon MessmerApr 15, 2007 7:30 pm 
Gordon MessmerApr 15, 2007 7:35 pm 
Reindl HaraldApr 16, 2007 2:10 am 
Lisa MuirApr 16, 2007 2:19 am 
Gordon MessmerApr 16, 2007 8:17 am 
Gordon MessmerApr 16, 2007 8:42 am 
Reindl HaraldApr 16, 2007 9:58 am 
Gordon MessmerApr 16, 2007 10:27 am 
Michelle KonzackApr 19, 2007 9:42 am 
Gordon MessmerApr 19, 2007 11:07 am 
William HueApr 19, 2007 3:38 pm 
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Subject:Re: [courier-users] ESMTP does NOT need DNS on localhostActions...
From:Michelle Konzack (linu@freenet.de)
Date:Apr 19, 2007 9:42:18 am
List:net.sourceforge.lists.courier-users

Hello Gordon and *,

Am 2007-04-16 08:42:53, schrieb Gordon Messmer:

Reindl Harald wrote:

Oh it does work WITHOUT ANY DNS now

It isn't, though. Courier does lookups entirely through DNS. It doesn't use the C library's NSS routines, so the hosts file isn't used.

It seems not to be right, because:

If I have and /etc/hosts:

127.0.0.1 localhost 192.168.0.10 samba.michistest.ir 192.168.0.10 mail.michistest.ir 192.168.0.20 michelle1.michistest.ir 192.168.0.30 tp570.michistest.ir

it would not work since a REVERSE-Lookuo to <mail.michitest.ir> will resolv <samba.michistest.ir>. Putting the MAILSERVER on the first entry after <localhost> like:

127.0.0.1 localhost 192.168.0.10 mail.michistest.ir 192.168.0.10 samba.michistest.ir 192.168.0.20 michelle1.michistest.ir 192.168.0.30 tp570.michistest.ir

will work properly...

Otherwise my OWN courier-server would not work here.

Its simply bullshit to say /etc/host does not and it must be dns

No, it isn't. /etc/hosts is not used by Courier. If your problem was related to IPv6, then you can't infer anything about DNS or the hosts file from that problem. They're unrelated.

So, I have no "named" running in my local network with currently 26 machines active but it still works. How comes?

I can not believe, that it is Debian-Specific... The Servers are running Etch and the Workstations mixed Sarge, Etch, Lenny and Sid

Actually, your ISP's DNS *should* resolve localhost. RFC 1912 clarifies this name server requirement. The hosts file works for simple name lookups through the C library's NSS routines, but that's not what Courier uses.

Hmmm...

Note: My domain (I have changed the domainname) is registered but only for private use which include my mailhost...