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how to identify an email in greylist and then released?

papali

Hi all.

I'm trying to troubleshoot some emails that don't reach their destination.
I understood by checking the logs how to identify a rejected email in greylist but it is not clear to me how to understand if the sender server tries again after x minutes and this time it is accepted.
That is, how do I know if it is the sending mail server who retried the sending of the message and not the sending user who sent another message since the first one did not arrive?

Thanks.



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  • 0

    Hello,

    I think the message-ID of the first queued mail should be different  from a second mail initiated by the sender himself.

    When the mailserver retries, it will the same message again with the same ID again. But I don't know if this is a mandatory field to transmit to the MTA.

    Anybody else?.

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  • 0

    Hello,

    I think the message-ID of the first queued mail should be different  from a second mail initiated by the sender himself.

    When the mailserver retries, it will the same message again with the same ID again. But I don't know if this is a mandatory field to transmit to the MTA.

    Anybody else?.

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