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Again, thanks to Patrick!

Carl,

Yes, here's a section from a document I wrote for Net400 a while ago on
the SMTP flight recorders. Note that you usually need to create the data
area and view the files that get created. Some will be empty, but two or
three may have useful entries. I'll send you the entire document
separately.

Patrick
========>
If your SMTP message is getting in the QSMTPQ distribution queue but is
not getting delivered, you should check the SMTP flight recorder. There
can sometimes be helpful information in this area. The flight recorder
is a set of entries that the IBM SMTP mail system places in a user
queue. You have to dump the user queue and print the dump to read the
entries. This queue automatically wraps, so you will also need to check
this when you can be sure that there is not much activity in the SMTP
mail system. Send the message and then use these commands:

dmpobj obj(qusrsys/qtmsflrcq1) objtype(*usrq)
dmpobj obj(qusrsys/qtmsflrcq2) objtype(*usrq)
dmpobj obj(qusrsys/qtmsflrcq3) objtype(*usrq)
Dmpobj obj(qusrsys/qtmsflrcq4) objtype(*usrq)

Review the output to determine the cause of the problem.

If the above information is inadequate to solve the problem you can get
a more detailed trace by creating the QTMSTRCNTL data area. When this
data area exists the SMTP support will write detailed trace information
to trace files. Use this command to create the data area:

Crtdtaara dtaara(qusrsys/qtmstrcntl) type(*char) len(8)
value('11111100') Text('SMTP trace')

Stop the SMTP server, wait a few minutes, and then start it again. You
can use the STRTCPSRV command to do this. After the SMTP server is
started send the message. Wait a few minutes to be sure the message has
been processed by AS/400 SMTP support. Then stop the SMTP server again.
View the trace detail with these commands:

dsppfm file(qusrsys/qtmsflrcf1)
dsppfm file(qusrsys/qtmsflrcf2)
dsppfm file(qusrsys/qtmsflrcf3)
dsppfm file(qusrsys/qtmsflrcf4)



Carl Galgano
EDI Consulting Services, Inc.
540 Powder Springs Street
Suite C19
Marietta, GA  30064
770-422-2995
mailto: cgalgano@ediconsulting.com
http://www.ediconsulting.com
EDI, Communications and AS400 Technical Consulting

-----Original Message-----
From: Tom Hightower/Solutions_Inc <tomh@simas.com>
To: midrange-l@midrange.com <midrange-l@midrange.com>
Date: Thursday, December 30, 1999 10:06 PM
Subject: Re: SMTP, TCP/IP problem


>Go for it...  and what are the "flight recorders"?
>
>
>
>
>
>"Carl Galgano" <cgalgano@ediconsulting.com> on 12/30/99 08:32:49 PM
>To:     MIDRANGE-L@midrange.com
>cc:
>
>Subject:        Re: SMTP, TCP/IP problem
>
>
>
>You may also wish to turn on the SMTP "flight recorders".  I have some info
>that Patrick Townsend graciously shared with me several months ago that I
>could post if you need it.
>CJG
>
>Carl Galgano
>EDI Consulting Services, Inc.
>540 Powder Springs Street
>Suite C19
>Marietta, GA  30064
>770-422-2995
>mailto: cgalgano@ediconsulting.com
>http://www.ediconsulting.com
>EDI, Communications and AS400 Technical Consulting
>
>-----Original Message-----
>From: Tom Hightower/Solutions_Inc <tomh@simas.com>
>To: midrange-l@midrange.com <midrange-l@midrange.com>
>Date: Thursday, December 30, 1999 11:34 AM
>Subject: SMTP, TCP/IP problem
>
>
>>For the past couple of days, our SMTP server has just been quitting, for
>no
>>apparent reason.  A look at a QEZJOBLOG listing shows that it was ended by
>>user QTCP because it couldn't communicate with TCP/IP because of a
>protocol
>>problem. We have nothing more to go on than that.  It's worked fine for
>>months.  The only change we've made is to increase the number of QMSF jobs
>>to 3
>>
>>We can ENDTCPSVR *SMTP, then STRTCPSVR *SMTP, then hold the QSTMPQ
>>distribution queue, then release the QSMTPQ distribution queue and our
>mail
>>starts routing again - until it just decides to stop (could be minutes,
>>could be several hours).
>>
>>Any clues?
>>+---
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