Hi Will,
Not at all. Outbound DNS queries were hung up from the command line under
the IMail failure I described.
As I said, I was not using Declude at the time, but Declude would be slow or
unable to process in this case because it would not be able to get address
resolution for the BLs. It seems likely that with Declude, the messages wuld
get hung up in Declude processing directories.
I do know that since I set things up with the on-board MS DNS caching
server, the problem has not recurred, and clearing it with a reboot was at
least a monthly exercise for us before that.
-d
----- Original Message -----
From: "Will" <[EMAIL PROTECTED]>
To: <Declude.JunkMail@declude.com>
Sent: Wednesday, January 18, 2006 3:49 PM
Subject: RE: [Declude.JunkMail] decludeproc causing dns queries to fail
Just to clarify... If Imail was not processing, wouldn't the buildup be
occurring in the /spool directory itself? Would declude also be
affected by such an issue and cause a buildup in the /spool/proc folder?
I ask, because my mail is getting built up in the /spool/proc folder,
not the /spool folder. As I understand it, declude.exe deposits mail
into the /spool/proc folder. The decludeproc.exe server runs to move
mail out of this folder into the /spool/proc/work folder for processing
and once completed moves it to the /spool folder so Imail may deliver
it. Am I missing something?
This also doesn't explain why no outgoing DNS queries are allowed while
these issues are occurring, such as nslookup (unable to even establish a
connection to any DNS server), but once again work when the
decludeproc.exe is restarted. To clarify, I am not restarting or
changing Imail services in any way. My one and only step to resolve the
issue is to stop decludeproc.exe and restart it in services. Nothing
else needs to be done. This is the only service I need to touch.
I am more than happy to try modifying my setup as a form of
troubleshooting, but forgive me for trying to understand the reasoning
behind it.
Will
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Dave Doherty
Sent: Wednesday, January 18, 2006 7:14 AM
To: Declude.JunkMail@declude.com
Subject: Re: [Declude.JunkMail] decludeproc causing dns queries to fail
Will,
It is possible that this is not a Declude issue.
We had a similar problem years ago with an earlier version of Imail,
even
before we began using Declude. It turned out that there has been an
ongoing
bug in Imail about the entry of multiple DNS servers into the SMTP setup
page. They say you can enter several IPs separated by spaces, but if you
do
this, IMail occasionally gets confused and basically stops looking at
DNS
entirely. This results in quick buildup in the spool and the kind of
problems you describe.
The cure is to run cache-only DNS locally on the server. Just install
the
service, set it for Automatic, turn it on, point IMail to 127.0.0.1,an
stop/start the IMail SMTP service. This will result in improved
performance
because all your DNS lookups won't go over your network. You can point
the
local DNS to your other servers by entering their addresses into DNS in
the
Network | TCP/IP property sheet.
-Dave Doherty
Skywaves, Inc.
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