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<pre>Hi,<br>no, it is a single mail server, no replication at all.<br>Thank you<br><br><br>> Hello
>
> We only saw such errors with replication between two machines, when new
> emails where errornously deliverd to both of them or clients connected
> to both simultaniously.
>
> Do you have such a setup?
> Kind regards,
> Christian Mack
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