> On Mar 24, 2016, at 10:40 PM, Aaron Routt <aaronro...@gmail.com> wrote:
> 
> delays=193728/38/0/0.1

Insufficient context.  Post all the log entries for the queue-id
of the message that logged this combination of delays.

> http://www.postfix.org/postconf.5.html
> The format of the "delays=a/b/c/d" logging is as follows:
> 
>       • a = time from message arrival to last active queue entry
>       • b = time from last active queue entry to connection setup
>       • c = time in connection setup, including DNS, EHLO and STARTTLS
>       • d = time in message transmission

> Does "message arrival" also mean "pickup" in the flowchart? where it enters 
> Postfix? My thinking is spam filters are the delay cause here, in the 
> "cleanup" process?

Yes, time spent in the "maildrop" directory is included:

On my laptop I used sendmail(1), while Postfix was stopped, and
then started Postfix:

    Mar 24 22:55:08 vpro postfix/postfix-script[88679]:
        starting the Postfix mail system
    Mar 24 22:55:08 vpro postfix/pickup[88682]: 06A07FDE712:
        uid=0 from=<root>
    Mar 24 22:55:08 vpro postfix/cleanup[88684]: 06A07FDE712:
        message-id=<20160325025508.06a07fde...@vpro.lan>
    Mar 24 22:55:08 vpro postfix/qmgr[88683]: 06A07FDE712:
        from=<r...@vpro.lan>, size=251, nrcpt=1 (queue active)
    Mar 24 22:55:08 vpro postfix/discard[88686]: 06A07FDE712:
        to=<vik...@example.org>, relay=none, delay=12,
        delays=12/0.01/0/0, dsn=2.0.0, status=sent (silently)
    Mar 24 22:55:08 vpro postfix/qmgr[88683]: 06A07FDE712: removed

The 12s delay was due the time it took to type "postfix start" after
sending the message.

> But a colleague says it is our server sending slowly...but that
> doesn't make sense..., how is the receiving server going to know
> of delays by the sending server, if not logged in c/d?

Hard to know without the logs.  Did I mention the logs?  They'll
show any previous times spent in the active queue, reasons deferred,
...  Also find any other queue-ids for the message id and logs for
those, if any.

-- 
        Viktor.

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