Recipients complains that Mailcow duplicates some e-mails. I cannot find any rules, and don’t know if it depends from specific e-mail data or specific recipients. They say that mail server is sending the same e-mail many time … Problem started about 2 weeks ago…
Please, help me how can I investigate and solve it ?
Regards Dariusz

    Dariusz
    -check logs for duplicated delivery. postfix and dovecot
    -compare and check mailheader if you see something.

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