It's be nice to have the smtp log and the email header.

On 7/29/2020 12:40 PM, Chris wrote:
I've had some recent repeats, but haven't had a chance to dig them out of the logs yet.  I'll try to find time to do that tonight.

On Thu, Jul 30, 2020 at 2:14 AM Eric Broch <ebr...@whitehorsetc.com <mailto:ebr...@whitehorsetc.com>> wrote:

    Hi Chris,

    Did you save any of the SMTP logs for those messages that were
    re-delivered and email headers?

    Eric

    On 7/17/2020 7:09 PM, Chris wrote:
    As soon as I have something useful from recordio I'll post it.

    On Thu, Jul 16, 2020 at 6:54 AM Eric Broch
    <ebr...@whitehorsetc.com <mailto:ebr...@whitehorsetc.com>> wrote:

        Can you tell me what the log shows for one of these messages?

        On 7/15/2020 12:42 PM, Eric Broch wrote:

        And, what version of qmail?

        On 7/15/2020 12:41 PM, Eric Broch wrote:

        Did you turn on recordio?

        On 7/15/2020 11:33 AM, Boheme wrote:
        Nope. It’s insanely random.

        -Sent from my Pip-Boy 3000

        On 16/07/2020, at 5:27 AM, Eric Broch
        <ebr...@whitehorsetc.com>
        <mailto:ebr...@whitehorsetc.com> wrote:

        

        Can you repeat this error at will?

        On 7/10/2020 2:15 AM, Chris wrote:
        I've disabled spamdyke, the source of the 421 timeout
        error; but I'm still getting re-delivery of emails.  Not
        as frequently, but I've received the same two emails a
        dozen times today.

        Has anyone else experienced this before?

        -Chris

        On Tue, Jun 30, 2020 at 7:30 AM Chris <boh...@gmail.com
        <mailto:boh...@gmail.com>> wrote:

            A few nights ago I shut down the VM that my
            qmailtoaster runs on, bumped the memory up to 4g,
            and restarted it.  First reboot in a long while, so
            I was nervous.  Everything seemed fine.

            The next day I noticed that there were a couple of
            emails I had deleted that had re-appeared.  I'd
            delete them again, and they'd come back again.  My
            mail client shows date sent and date received, and
            they were definitely all the same sender time.
            Checking the logs, I see the same set of email being
            re-accepted in /var/log/qmail/smtp/current over and
            over.

            Finally I have a clue. Gmail sent me a delivery
            warning about one of the emails, as it was a test
            message from myself, and it says my server is
            responding with error:

            421 Timeout. Talk faster next time.

            So it seems the email is getting accepted, but then
            the sending server is given an error 421, so it
            queues it up for re-delivery.

            Any suggestions on what I should be looking at to
            figure this out?

            -Chris

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