From: Rick Kunkel (kunkelw-link.net)
Date: Mon Sep 24 2007 - 21:06:40 CDT

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Well, perhaps the observations are flawed. I will try and get more of the
SMTP conversation through debugging... Unfortunately, due to the sporadic
nature of their mass mailings, real-life testing is infrequent without a
list of test addresses, which is an approaching step...

Currently, this is the info that I have... Here are some log entries.
Perhaps someone can tell me what's happening here... Is Outlook
connecting, the starting up something, and then doing an RSET? Has anyone
seen this behavior?

Sep 24 11:03:03 valinor postfix/smtpd[29377]: connect from
seadsl-d-X.X.X.X.dsl.w-link.net[X.X.X.X]

Sep 24 11:03:03 valinor postfix/smtpd[29377]: 37778FEBF9:
client=seadsl-d-X.X.X.X.dsl.w-link.net[X.X.X.X]

Sep 24 11:03:03 valinor postfix/smtpd[29377]: 9CE88FEBF6:
client=seadsl-d-X.X.X.X.dsl.w-link.net[X.X.X.X]

Sep 24 11:03:06 valinor postfix/smtpd[29377]: 1F106FEBF6:
client=seadsl-d-X.X.X.X.dsl.w-link.net[X.X.X.X]

.
. (about 116 more of this kind of thing)
.

Sep 24 11:04:15 valinor postfix/smtpd[29377]: B9A0EFEBF1:
client=seadsl-d-X.X.X.X.dsl.w-link.net[X.X.X.X]

Sep 24 11:04:19 valinor postfix/smtpd[29377]: 12557FEBF1:
client=seadsl-d-X.X.X.X.dsl.w-link.net[X.X.X.X]

Sep 24 11:04:22 valinor postfix/smtpd[29377]: too many errors after RSET
from seadsl-d-X.X.X.X.dsl.w-link.net[X.X.X.X]

Sep 24 11:04:22 valinor postfix/smtpd[29377]: disconnect from
seadsl-d-X.X.X.X.dsl.w-link.net[X.X.X.X]

Sep 24 11:04:22 valinor postfix/smtpd[29449]: connect from
seadsl-d-X.X.X.X.dsl.w-link.net[X.X.X.X]

Above, he just reconnected, and the process starts all over, repeating
every 120 of those queue number lines...

Sorry for any ignorance I'm displaying here....

Thanks,

Rick

On Mon, 24 Sep 2007, Victor Duchovni wrote:

> On Mon, Sep 24, 2007 at 06:29:56PM -0700, Rick Kunkel wrote:
>
>> Anyhow, sure enough, 120 (junk_command + hard_error limits) lines into the
>> logging, he gets disconnected, and then immediately reconnects. The 120
>> messages seem to get tossed.
>
> Not with Postfix. Messages don't disappear after a positive response to
> ".". It is not possible to send a second message over a connection,
> without completing the first. So the only way to "lose" messages is if
> they are not accepted in the first place (no "250 Ok" after "."). And
> only in this case are the error counters cumulative, otherwise error
> counters are always reset when a message is accepted.
>
> Your observations are flawed.
>
> --
> Viktor.
>
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