[Dadas] Delayed Mail (still being retried)

[Mail Delivery System]

This is the mail system at host core.aneya.sarl.

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# THIS IS A WARNING ONLY.  YOU DO NOT NEED TO RESEND YOUR MESSAGE. #
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Your message could not be delivered for more than 4 hour(s).
It will be retried until it is 5 day(s) old.

For further assistance, please send mail to postmaster.

If you do so, please include this problem report. You can
delete your own text from the attached returned message.

                   The mail system

<kellens_mommy_and_daddy at yahoo.com>: host mta7.am0.yahoodns.net[98.136.96.77]
    said: 421 4.7.0 [TSS04] Messages from 163.172.249.18 temporarily deferred
    due to unexpected volume or user complaints - 4.16.55.1; see
    https://postmaster.yahooinc.com/error-codes (in reply to MAIL FROM command)
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