From: Adam Clark (adam.clarkngv.vic.gov.au)
Date: Thu Apr 05 2007 - 18:53:37 CDT

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A few weird things

Heres an example of an email that doesn't have a qmgr log line

Mar 25 12:47:49 monet2 postfix/smtpd[31981]: connect from monet2.ngv.vic.gov.au[127.0.0.1]
Mar 25 12:47:49 monet2 postfix/smtpd[31981]: 51F2234008: client=monet2.ngv.vic.gov.au[127.0.0.1]
Mar 25 12:47:49 monet2 postfix/cleanup[31814]: 51F2234008: message-id=<E8045EC3A155BD409100E6062B338EE51278F2TITIAN.boh.ngv.local>
Mar 25 12:47:49 monet2 postfix/smtpd[31981]: disconnect from monet2.ngv.vic.gov.au[127.0.0.1]
Mar 25 12:47:54 monet2 postfix/smtp[32464]: 51F2234008: to=<someemail.addr>, relay=mailhost.ng-london.org.uk[193.60.236.65], delay=5, status=sent (250 MAILHOST.ng-london.org.uk: Message accepted for delivery)

why would this be?

Adam

-----Original Message-----
From: owner-postfix-userspostfix.org on behalf of Adam Clark
Sent: Thu 5/04/2007 2:15 PM
To: postfix-userspostfix.org
Subject: RE: maximum time in queue - now SQL log parser
 
Thanks Viktor,

> -----Original Message-----
> From: owner-postfix-userspostfix.org
> [mailto:owner-postfix-userspostfix.org] On Behalf Of Victor Duchovni
> Sent: Thursday, 5 April 2007 1:55 PM
> To: postfix-userspostfix.org
> Subject: Re: maximum time in queue - now SQL log parser
>
> On Thu, Apr 05, 2007 at 01:25:24PM +1000, Adam Clark wrote:
>
> > My question is regarding the order of log entries, do the
> cleanup and
> > qmgr processes ALWAYS get logged in between smtpd session
> connect and
> > disconnect?
>
> No.
>
> - If you are using a "stream" log socket on Linux, in
> addition to losing
> log entries under moderate load (process concurrency), log
> entries will
> be shuffled. Always use a "dgram" log socket.

I am using a separate syslog box collecting for our two mail servers,
I don't think its uses stream to do that.

Whats the postfix default?

> - Cleanup logs the message-id before processing ".", so generally this
> is is sent to syslogd before smtpd disconnects, and should be in the
> log first.

Whats the signifiance of "."?

> - The queue manager finds the message in the incoming queue some time
> after ".", and this could easily be after smtpd has
> disconnected from
> the client. Generally the queue manager responds quickly, and the
> remote client disconnects slowly, but this is a race, and
> the incoming
> queue occupancy may spike under load.

So I am safe to use the cleanup log lines as my "enter queue" time?
 
> --
> Viktor.
>
> Disclaimer: off-list followups get on-list replies or get ignored.
> Please do not ignore the "Reply-To" header.
>
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>
> If my response solves your problem, the best way to thank me
> is to not send an "it worked, thanks" follow-up. If you must
> respond, please put "It worked, thanks" in the "Subject" so I
> can delete these quickly.
>

Adam Clark
Network Administrator

National Gallery of Victoria
180 St Kilda Road Melbourne Vic 3004 Australia
Telephone: +61 3 8620 2369
Fax: +61 3 8620 2565
www.ngv.vic.gov.au

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